171545940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 545965056

約数和(自身を除く): 374419116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 355, 372, 426, 433, 465, 558, 620, 639, 710, 852, 866, 930, 1065, 1116, 1278, 1299, 1395, 1420, 1732, 1860, 2130, 2165, 2201, 2556, 2598, 2790, 3195, 3897, 4260, 4330, 4402, 5196, 5580, 6390, 6495, 6603, 7794, 8660, 8804, 11005, 12780, 12990, 13206, 13423, 15588, 19485, 19809, 22010, 25980, 26412, 26846, 30743, 33015, 38970, 39618, 40269, 44020, 53692, 61486, 66030, 67115, 77940, 79236, 80538, 92229, 99045, 120807, 122972, 132060, 134230, 153715, 161076, 184458, 198090, 201345, 241614, 268460, 276687, 307430, 368916, 396180, 402690, 461145, 483228, 553374, 604035, 614860, 805380, 922290, 953033, 1106748, 1208070, 1383435, 1844580, 1906066, 2416140, 2766870, 2859099, 3812132, 4765165, 5533740, 5718198, 8577297, 9530330, 11436396, 14295495, 17154594, 19060660, 28590990, 34309188, 42886485, 57181980, 85772970, 171545940]

約数ペア:

[(1, 171545940), (2, 85772970), (3, 57181980), (4, 42886485), (5, 34309188), (6, 28590990), (9, 19060660), (10, 17154594), (12, 14295495), (15, 11436396), (18, 9530330), (20, 8577297), (30, 5718198), (31, 5533740), (36, 4765165), (45, 3812132), (60, 2859099), (62, 2766870), (71, 2416140), (90, 1906066), (93, 1844580), (124, 1383435), (142, 1208070), (155, 1106748), (180, 953033), (186, 922290), (213, 805380), (279, 614860), (284, 604035), (310, 553374), (355, 483228), (372, 461145), (426, 402690), (433, 396180), (465, 368916), (558, 307430), (620, 276687), (639, 268460), (710, 241614), (852, 201345), (866, 198090), (930, 184458), (1065, 161076), (1116, 153715), (1278, 134230), (1299, 132060), (1395, 122972), (1420, 120807), (1732, 99045), (1860, 92229), (2130, 80538), (2165, 79236), (2201, 77940), (2556, 67115), (2598, 66030), (2790, 61486), (3195, 53692), (3897, 44020), (4260, 40269), (4330, 39618), (4402, 38970), (5196, 33015), (5580, 30743), (6390, 26846), (6495, 26412), (6603, 25980), (7794, 22010), (8660, 19809), (8804, 19485), (11005, 15588), (12780, 13423), (12990, 13206)]