217377720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12323}}^1$

素因数の和:12354

約数の個数: 144

約数和(自身を含む): 821887560

約数和(自身を除く): 604509840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12323, 17640, 24646, 36969, 49292, 61615, 73938, 86261, 98584, 110907, 123230, 147876, 172522, 184845, 221814, 246460, 258783, 295752, 345044, 369690, 431305, 443628, 492920, 517566, 554535, 603827, 690088, 739380, 776349, 862610, 887256, 1035132, 1109070, 1207654, 1293915, 1478760, 1552698, 1725220, 1811481, 2070264, 2218140, 2415308, 2587830, 3019135, 3105396, 3450440, 3622962, 3881745, 4436280, 4830616, 5175660, 5434443, 6038270, 6210792, 7245924, 7763490, 9057405, 10351320, 10868886, 12076540, 14491848, 15526980, 18114810, 21737772, 24153080, 27172215, 31053960, 36229620, 43475544, 54344430, 72459240, 108688860, 217377720]

約数ペア:

[(1, 217377720), (2, 108688860), (3, 72459240), (4, 54344430), (5, 43475544), (6, 36229620), (7, 31053960), (8, 27172215), (9, 24153080), (10, 21737772), (12, 18114810), (14, 15526980), (15, 14491848), (18, 12076540), (20, 10868886), (21, 10351320), (24, 9057405), (28, 7763490), (30, 7245924), (35, 6210792), (36, 6038270), (40, 5434443), (42, 5175660), (45, 4830616), (49, 4436280), (56, 3881745), (60, 3622962), (63, 3450440), (70, 3105396), (72, 3019135), (84, 2587830), (90, 2415308), (98, 2218140), (105, 2070264), (120, 1811481), (126, 1725220), (140, 1552698), (147, 1478760), (168, 1293915), (180, 1207654), (196, 1109070), (210, 1035132), (245, 887256), (252, 862610), (280, 776349), (294, 739380), (315, 690088), (360, 603827), (392, 554535), (420, 517566), (441, 492920), (490, 443628), (504, 431305), (588, 369690), (630, 345044), (735, 295752), (840, 258783), (882, 246460), (980, 221814), (1176, 184845), (1260, 172522), (1470, 147876), (1764, 123230), (1960, 110907), (2205, 98584), (2520, 86261), (2940, 73938), (3528, 61615), (4410, 49292), (5880, 36969), (8820, 24646), (12323, 17640)]