163738640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 435909600

約数和(自身を除く): 272170960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 61, 65, 80, 89, 104, 116, 122, 130, 145, 178, 208, 232, 244, 260, 290, 305, 356, 377, 445, 464, 488, 520, 580, 610, 712, 754, 793, 890, 976, 1040, 1157, 1160, 1220, 1424, 1508, 1586, 1769, 1780, 1885, 2314, 2320, 2440, 2581, 3016, 3172, 3538, 3560, 3770, 3965, 4628, 4880, 5162, 5429, 5785, 6032, 6344, 7076, 7120, 7540, 7930, 8845, 9256, 10324, 10858, 11570, 12688, 12905, 14152, 15080, 15860, 17690, 18512, 20648, 21716, 22997, 23140, 25810, 27145, 28304, 30160, 31720, 33553, 35380, 41296, 43432, 45994, 46280, 51620, 54290, 63440, 67106, 70577, 70760, 86864, 91988, 92560, 103240, 108580, 114985, 134212, 141154, 141520, 157441, 167765, 183976, 206480, 217160, 229970, 268424, 282308, 314882, 335530, 352885, 367952, 434320, 459940, 536848, 564616, 629764, 671060, 705770, 787205, 919880, 1129232, 1259528, 1342120, 1411540, 1574410, 1839760, 2046733, 2519056, 2684240, 2823080, 3148820, 4093466, 5646160, 6297640, 8186932, 10233665, 12595280, 16373864, 20467330, 32747728, 40934660, 81869320, 163738640]

約数ペア:

[(1, 163738640), (2, 81869320), (4, 40934660), (5, 32747728), (8, 20467330), (10, 16373864), (13, 12595280), (16, 10233665), (20, 8186932), (26, 6297640), (29, 5646160), (40, 4093466), (52, 3148820), (58, 2823080), (61, 2684240), (65, 2519056), (80, 2046733), (89, 1839760), (104, 1574410), (116, 1411540), (122, 1342120), (130, 1259528), (145, 1129232), (178, 919880), (208, 787205), (232, 705770), (244, 671060), (260, 629764), (290, 564616), (305, 536848), (356, 459940), (377, 434320), (445, 367952), (464, 352885), (488, 335530), (520, 314882), (580, 282308), (610, 268424), (712, 229970), (754, 217160), (793, 206480), (890, 183976), (976, 167765), (1040, 157441), (1157, 141520), (1160, 141154), (1220, 134212), (1424, 114985), (1508, 108580), (1586, 103240), (1769, 92560), (1780, 91988), (1885, 86864), (2314, 70760), (2320, 70577), (2440, 67106), (2581, 63440), (3016, 54290), (3172, 51620), (3538, 46280), (3560, 45994), (3770, 43432), (3965, 41296), (4628, 35380), (4880, 33553), (5162, 31720), (5429, 30160), (5785, 28304), (6032, 27145), (6344, 25810), (7076, 23140), (7120, 22997), (7540, 21716), (7930, 20648), (8845, 18512), (9256, 17690), (10324, 15860), (10858, 15080), (11570, 14152), (12688, 12905)]