221520240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16231

約数の個数: 120

約数和(自身を含む): 783141840

約数和(自身を除く): 561621600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 16193, 32386, 48579, 64772, 80965, 97158, 129544, 145737, 161930, 194316, 242895, 259088, 291474, 307667, 323860, 388632, 485790, 582948, 615334, 647720, 728685, 777264, 923001, 971580, 1165896, 1230668, 1295440, 1457370, 1538335, 1846002, 1943160, 2331792, 2461336, 2769003, 2914740, 3076670, 3692004, 3886320, 4615005, 4922672, 5538006, 5829480, 6153340, 7384008, 9230010, 11076012, 11658960, 12306680, 13845015, 14768016, 18460020, 22152024, 24613360, 27690030, 36920040, 44304048, 55380060, 73840080, 110760120, 221520240]

約数ペア:

[(1, 221520240), (2, 110760120), (3, 73840080), (4, 55380060), (5, 44304048), (6, 36920040), (8, 27690030), (9, 24613360), (10, 22152024), (12, 18460020), (15, 14768016), (16, 13845015), (18, 12306680), (19, 11658960), (20, 11076012), (24, 9230010), (30, 7384008), (36, 6153340), (38, 5829480), (40, 5538006), (45, 4922672), (48, 4615005), (57, 3886320), (60, 3692004), (72, 3076670), (76, 2914740), (80, 2769003), (90, 2461336), (95, 2331792), (114, 1943160), (120, 1846002), (144, 1538335), (152, 1457370), (171, 1295440), (180, 1230668), (190, 1165896), (228, 971580), (240, 923001), (285, 777264), (304, 728685), (342, 647720), (360, 615334), (380, 582948), (456, 485790), (570, 388632), (684, 323860), (720, 307667), (760, 291474), (855, 259088), (912, 242895), (1140, 194316), (1368, 161930), (1520, 145737), (1710, 129544), (2280, 97158), (2736, 80965), (3420, 64772), (4560, 48579), (6840, 32386), (13680, 16193)]