640032120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2835

約数の個数: 288

約数和(自身を含む): 2606778720

約数和(自身を除く): 1966746600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 280, 294, 312, 315, 360, 364, 390, 392, 420, 441, 455, 468, 490, 504, 520, 546, 585, 588, 630, 637, 728, 735, 780, 819, 840, 882, 910, 936, 980, 1092, 1170, 1176, 1260, 1274, 1365, 1470, 1560, 1638, 1764, 1820, 1911, 1960, 2184, 2205, 2340, 2520, 2548, 2730, 2791, 2940, 3185, 3276, 3528, 3640, 3822, 4095, 4410, 4680, 5096, 5460, 5582, 5733, 5880, 6370, 6552, 7644, 8190, 8373, 8820, 9555, 10920, 11164, 11466, 12740, 13955, 15288, 16380, 16746, 17640, 19110, 19537, 22328, 22932, 25119, 25480, 27910, 28665, 32760, 33492, 36283, 38220, 39074, 41865, 45864, 50238, 55820, 57330, 58611, 66984, 72566, 76440, 78148, 83730, 97685, 100476, 108849, 111640, 114660, 117222, 125595, 136759, 145132, 156296, 167460, 175833, 181415, 195370, 200952, 217698, 229320, 234444, 251190, 253981, 273518, 290264, 293055, 326547, 334920, 351666, 362830, 390740, 410277, 435396, 468888, 502380, 507962, 544245, 547036, 586110, 653094, 683795, 703332, 725660, 761943, 781480, 820554, 870792, 879165, 1004760, 1015924, 1088490, 1094072, 1172220, 1230831, 1269905, 1306188, 1367590, 1406664, 1451320, 1523886, 1632735, 1641108, 1758330, 1777867, 2031848, 2051385, 2176980, 2285829, 2344440, 2461662, 2539810, 2612376, 2735180, 3047772, 3265470, 3282216, 3516660, 3555734, 3809715, 4102770, 4353960, 4571658, 4923324, 5079620, 5333601, 5470360, 6095544, 6154155, 6530940, 7033320, 7111468, 7619430, 8205540, 8889335, 9143316, 9846648, 10159240, 10667202, 11429145, 12308310, 13061880, 14222936, 15238860, 16000803, 16411080, 17778670, 18286632, 21334404, 22858290, 24616620, 26668005, 30477720, 32001606, 35557340, 42668808, 45716580, 49233240, 53336010, 64003212, 71114680, 80004015, 91433160, 106672020, 128006424, 160008030, 213344040, 320016060, 640032120]

約数ペア:

[(1, 640032120), (2, 320016060), (3, 213344040), (4, 160008030), (5, 128006424), (6, 106672020), (7, 91433160), (8, 80004015), (9, 71114680), (10, 64003212), (12, 53336010), (13, 49233240), (14, 45716580), (15, 42668808), (18, 35557340), (20, 32001606), (21, 30477720), (24, 26668005), (26, 24616620), (28, 22858290), (30, 21334404), (35, 18286632), (36, 17778670), (39, 16411080), (40, 16000803), (42, 15238860), (45, 14222936), (49, 13061880), (52, 12308310), (56, 11429145), (60, 10667202), (63, 10159240), (65, 9846648), (70, 9143316), (72, 8889335), (78, 8205540), (84, 7619430), (90, 7111468), (91, 7033320), (98, 6530940), (104, 6154155), (105, 6095544), (117, 5470360), (120, 5333601), (126, 5079620), (130, 4923324), (140, 4571658), (147, 4353960), (156, 4102770), (168, 3809715), (180, 3555734), (182, 3516660), (195, 3282216), (196, 3265470), (210, 3047772), (234, 2735180), (245, 2612376), (252, 2539810), (260, 2461662), (273, 2344440), (280, 2285829), (294, 2176980), (312, 2051385), (315, 2031848), (360, 1777867), (364, 1758330), (390, 1641108), (392, 1632735), (420, 1523886), (441, 1451320), (455, 1406664), (468, 1367590), (490, 1306188), (504, 1269905), (520, 1230831), (546, 1172220), (585, 1094072), (588, 1088490), (630, 1015924), (637, 1004760), (728, 879165), (735, 870792), (780, 820554), (819, 781480), (840, 761943), (882, 725660), (910, 703332), (936, 683795), (980, 653094), (1092, 586110), (1170, 547036), (1176, 544245), (1260, 507962), (1274, 502380), (1365, 468888), (1470, 435396), (1560, 410277), (1638, 390740), (1764, 362830), (1820, 351666), (1911, 334920), (1960, 326547), (2184, 293055), (2205, 290264), (2340, 273518), (2520, 253981), (2548, 251190), (2730, 234444), (2791, 229320), (2940, 217698), (3185, 200952), (3276, 195370), (3528, 181415), (3640, 175833), (3822, 167460), (4095, 156296), (4410, 145132), (4680, 136759), (5096, 125595), (5460, 117222), (5582, 114660), (5733, 111640), (5880, 108849), (6370, 100476), (6552, 97685), (7644, 83730), (8190, 78148), (8373, 76440), (8820, 72566), (9555, 66984), (10920, 58611), (11164, 57330), (11466, 55820), (12740, 50238), (13955, 45864), (15288, 41865), (16380, 39074), (16746, 38220), (17640, 36283), (19110, 33492), (19537, 32760), (22328, 28665), (22932, 27910), (25119, 25480)]