215778960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 782561520

約数和(自身を除く): 566782560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 61, 68, 72, 80, 85, 90, 102, 120, 122, 136, 144, 153, 170, 180, 183, 204, 240, 244, 255, 272, 289, 305, 306, 340, 360, 366, 408, 488, 510, 549, 578, 610, 612, 680, 720, 732, 765, 816, 867, 915, 976, 1020, 1037, 1098, 1156, 1220, 1224, 1360, 1445, 1464, 1530, 1734, 1830, 2040, 2074, 2196, 2312, 2440, 2448, 2601, 2745, 2890, 2928, 3060, 3111, 3468, 3660, 4080, 4148, 4335, 4392, 4624, 4880, 4913, 5185, 5202, 5490, 5780, 6120, 6222, 6936, 7320, 8296, 8670, 8784, 9333, 9826, 10370, 10404, 10980, 11560, 12240, 12444, 13005, 13872, 14640, 14739, 15555, 16592, 17340, 17629, 18666, 19652, 20740, 20808, 21960, 23120, 24565, 24888, 26010, 29478, 31110, 34680, 35258, 37332, 39304, 41480, 41616, 43920, 44217, 46665, 49130, 49776, 52020, 52887, 58956, 62220, 69360, 70516, 73695, 74664, 78608, 82960, 88145, 88434, 93330, 98260, 104040, 105774, 117912, 124440, 141032, 147390, 149328, 158661, 176290, 176868, 186660, 196520, 208080, 211548, 221085, 235824, 248880, 264435, 282064, 294780, 299693, 317322, 352580, 353736, 373320, 393040, 423096, 442170, 528870, 589560, 599386, 634644, 705160, 707472, 746640, 793305, 846192, 884340, 899079, 1057740, 1179120, 1198772, 1269288, 1410320, 1498465, 1586610, 1768680, 1798158, 2115480, 2397544, 2538576, 2697237, 2996930, 3173220, 3537360, 3596316, 4230960, 4495395, 4795088, 5394474, 5993860, 6346440, 7192632, 8990790, 10788948, 11987720, 12692880, 13486185, 14385264, 17981580, 21577896, 23975440, 26972370, 35963160, 43155792, 53944740, 71926320, 107889480, 215778960]

約数ペア:

[(1, 215778960), (2, 107889480), (3, 71926320), (4, 53944740), (5, 43155792), (6, 35963160), (8, 26972370), (9, 23975440), (10, 21577896), (12, 17981580), (15, 14385264), (16, 13486185), (17, 12692880), (18, 11987720), (20, 10788948), (24, 8990790), (30, 7192632), (34, 6346440), (36, 5993860), (40, 5394474), (45, 4795088), (48, 4495395), (51, 4230960), (60, 3596316), (61, 3537360), (68, 3173220), (72, 2996930), (80, 2697237), (85, 2538576), (90, 2397544), (102, 2115480), (120, 1798158), (122, 1768680), (136, 1586610), (144, 1498465), (153, 1410320), (170, 1269288), (180, 1198772), (183, 1179120), (204, 1057740), (240, 899079), (244, 884340), (255, 846192), (272, 793305), (289, 746640), (305, 707472), (306, 705160), (340, 634644), (360, 599386), (366, 589560), (408, 528870), (488, 442170), (510, 423096), (549, 393040), (578, 373320), (610, 353736), (612, 352580), (680, 317322), (720, 299693), (732, 294780), (765, 282064), (816, 264435), (867, 248880), (915, 235824), (976, 221085), (1020, 211548), (1037, 208080), (1098, 196520), (1156, 186660), (1220, 176868), (1224, 176290), (1360, 158661), (1445, 149328), (1464, 147390), (1530, 141032), (1734, 124440), (1830, 117912), (2040, 105774), (2074, 104040), (2196, 98260), (2312, 93330), (2440, 88434), (2448, 88145), (2601, 82960), (2745, 78608), (2890, 74664), (2928, 73695), (3060, 70516), (3111, 69360), (3468, 62220), (3660, 58956), (4080, 52887), (4148, 52020), (4335, 49776), (4392, 49130), (4624, 46665), (4880, 44217), (4913, 43920), (5185, 41616), (5202, 41480), (5490, 39304), (5780, 37332), (6120, 35258), (6222, 34680), (6936, 31110), (7320, 29478), (8296, 26010), (8670, 24888), (8784, 24565), (9333, 23120), (9826, 21960), (10370, 20808), (10404, 20740), (10980, 19652), (11560, 18666), (12240, 17629), (12444, 17340), (13005, 16592), (13872, 15555), (14640, 14739)]