245561680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 160

約数和(自身を含む): 712454400

約数和(自身を除く): 466892720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 89, 91, 104, 112, 130, 140, 178, 182, 208, 260, 280, 356, 364, 379, 445, 455, 520, 560, 623, 712, 728, 758, 890, 910, 1040, 1157, 1246, 1424, 1456, 1516, 1780, 1820, 1895, 2314, 2492, 2653, 3032, 3115, 3560, 3640, 3790, 4628, 4927, 4984, 5306, 5785, 6064, 6230, 7120, 7280, 7580, 8099, 9256, 9854, 9968, 10612, 11570, 12460, 13265, 15160, 16198, 18512, 19708, 21224, 23140, 24635, 24920, 26530, 30320, 32396, 33731, 34489, 39416, 40495, 42448, 46280, 49270, 49840, 53060, 64792, 67462, 68978, 78832, 80990, 92560, 98540, 106120, 129584, 134924, 137956, 161980, 168655, 172445, 197080, 212240, 236117, 269848, 275912, 323960, 337310, 344890, 394160, 438503, 472234, 539696, 551824, 647920, 674620, 689780, 877006, 944468, 1180585, 1349240, 1379560, 1754012, 1888936, 2192515, 2361170, 2698480, 2759120, 3069521, 3508024, 3777872, 4385030, 4722340, 6139042, 7016048, 8770060, 9444680, 12278084, 15347605, 17540120, 18889360, 24556168, 30695210, 35080240, 49112336, 61390420, 122780840, 245561680]

約数ペア:

[(1, 245561680), (2, 122780840), (4, 61390420), (5, 49112336), (7, 35080240), (8, 30695210), (10, 24556168), (13, 18889360), (14, 17540120), (16, 15347605), (20, 12278084), (26, 9444680), (28, 8770060), (35, 7016048), (40, 6139042), (52, 4722340), (56, 4385030), (65, 3777872), (70, 3508024), (80, 3069521), (89, 2759120), (91, 2698480), (104, 2361170), (112, 2192515), (130, 1888936), (140, 1754012), (178, 1379560), (182, 1349240), (208, 1180585), (260, 944468), (280, 877006), (356, 689780), (364, 674620), (379, 647920), (445, 551824), (455, 539696), (520, 472234), (560, 438503), (623, 394160), (712, 344890), (728, 337310), (758, 323960), (890, 275912), (910, 269848), (1040, 236117), (1157, 212240), (1246, 197080), (1424, 172445), (1456, 168655), (1516, 161980), (1780, 137956), (1820, 134924), (1895, 129584), (2314, 106120), (2492, 98540), (2653, 92560), (3032, 80990), (3115, 78832), (3560, 68978), (3640, 67462), (3790, 64792), (4628, 53060), (4927, 49840), (4984, 49270), (5306, 46280), (5785, 42448), (6064, 40495), (6230, 39416), (7120, 34489), (7280, 33731), (7580, 32396), (8099, 30320), (9256, 26530), (9854, 24920), (9968, 24635), (10612, 23140), (11570, 21224), (12460, 19708), (13265, 18512), (15160, 16198)]