74872980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:695

約数の個数: 216

約数和(自身を含む): 284953032

約数和(自身を除く): 210080052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 653, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1306, 1365, 1470, 1638, 1764, 1820, 1911, 1959, 2205, 2340, 2548, 2612, 2730, 2940, 3185, 3265, 3276, 3822, 3918, 4095, 4410, 4571, 5460, 5733, 5877, 6370, 6530, 7644, 7836, 8190, 8489, 8820, 9142, 9555, 9795, 11466, 11754, 12740, 13060, 13713, 16380, 16978, 18284, 19110, 19590, 22855, 22932, 23508, 25467, 27426, 28665, 29385, 31997, 33956, 38220, 39180, 41139, 42445, 45710, 50934, 54852, 57330, 58770, 59423, 63994, 68565, 76401, 82278, 84890, 91420, 95991, 101868, 114660, 117540, 118846, 127335, 127988, 137130, 152802, 159985, 164556, 169780, 178269, 191982, 205695, 237692, 254670, 274260, 287973, 297115, 305604, 319970, 356538, 382005, 383964, 411390, 415961, 479955, 509340, 534807, 575946, 594230, 639940, 713076, 764010, 822780, 831922, 891345, 959910, 1069614, 1151892, 1188460, 1247883, 1439865, 1528020, 1663844, 1782690, 1919820, 2079805, 2139228, 2495766, 2674035, 2879730, 3565380, 3743649, 4159610, 4991532, 5348070, 5759460, 6239415, 7487298, 8319220, 10696140, 12478830, 14974596, 18718245, 24957660, 37436490, 74872980]

約数ペア:

[(1, 74872980), (2, 37436490), (3, 24957660), (4, 18718245), (5, 14974596), (6, 12478830), (7, 10696140), (9, 8319220), (10, 7487298), (12, 6239415), (13, 5759460), (14, 5348070), (15, 4991532), (18, 4159610), (20, 3743649), (21, 3565380), (26, 2879730), (28, 2674035), (30, 2495766), (35, 2139228), (36, 2079805), (39, 1919820), (42, 1782690), (45, 1663844), (49, 1528020), (52, 1439865), (60, 1247883), (63, 1188460), (65, 1151892), (70, 1069614), (78, 959910), (84, 891345), (90, 831922), (91, 822780), (98, 764010), (105, 713076), (117, 639940), (126, 594230), (130, 575946), (140, 534807), (147, 509340), (156, 479955), (180, 415961), (182, 411390), (195, 383964), (196, 382005), (210, 356538), (234, 319970), (245, 305604), (252, 297115), (260, 287973), (273, 274260), (294, 254670), (315, 237692), (364, 205695), (390, 191982), (420, 178269), (441, 169780), (455, 164556), (468, 159985), (490, 152802), (546, 137130), (585, 127988), (588, 127335), (630, 118846), (637, 117540), (653, 114660), (735, 101868), (780, 95991), (819, 91420), (882, 84890), (910, 82278), (980, 76401), (1092, 68565), (1170, 63994), (1260, 59423), (1274, 58770), (1306, 57330), (1365, 54852), (1470, 50934), (1638, 45710), (1764, 42445), (1820, 41139), (1911, 39180), (1959, 38220), (2205, 33956), (2340, 31997), (2548, 29385), (2612, 28665), (2730, 27426), (2940, 25467), (3185, 23508), (3265, 22932), (3276, 22855), (3822, 19590), (3918, 19110), (4095, 18284), (4410, 16978), (4571, 16380), (5460, 13713), (5733, 13060), (5877, 12740), (6370, 11754), (6530, 11466), (7644, 9795), (7836, 9555), (8190, 9142), (8489, 8820)]