161512440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 510451200

約数和(自身を除く): 348938760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 421, 460, 552, 556, 690, 695, 834, 842, 920, 1112, 1263, 1380, 1390, 1668, 1684, 2085, 2105, 2526, 2760, 2780, 3197, 3336, 3368, 4170, 4210, 5052, 5560, 6315, 6394, 8340, 8420, 9591, 9683, 10104, 12630, 12788, 15985, 16680, 16840, 19182, 19366, 25260, 25576, 29049, 31970, 38364, 38732, 47955, 48415, 50520, 58098, 58519, 63940, 76728, 77464, 95910, 96830, 116196, 117038, 127880, 145245, 175557, 191820, 193660, 232392, 234076, 290490, 292595, 351114, 383640, 387320, 468152, 580980, 585190, 702228, 877785, 1161960, 1170380, 1345937, 1404456, 1755570, 2340760, 2691874, 3511140, 4037811, 5383748, 6729685, 7022280, 8075622, 10767496, 13459370, 16151244, 20189055, 26918740, 32302488, 40378110, 53837480, 80756220, 161512440]

約数ペア:

[(1, 161512440), (2, 80756220), (3, 53837480), (4, 40378110), (5, 32302488), (6, 26918740), (8, 20189055), (10, 16151244), (12, 13459370), (15, 10767496), (20, 8075622), (23, 7022280), (24, 6729685), (30, 5383748), (40, 4037811), (46, 3511140), (60, 2691874), (69, 2340760), (92, 1755570), (115, 1404456), (120, 1345937), (138, 1170380), (139, 1161960), (184, 877785), (230, 702228), (276, 585190), (278, 580980), (345, 468152), (417, 387320), (421, 383640), (460, 351114), (552, 292595), (556, 290490), (690, 234076), (695, 232392), (834, 193660), (842, 191820), (920, 175557), (1112, 145245), (1263, 127880), (1380, 117038), (1390, 116196), (1668, 96830), (1684, 95910), (2085, 77464), (2105, 76728), (2526, 63940), (2760, 58519), (2780, 58098), (3197, 50520), (3336, 48415), (3368, 47955), (4170, 38732), (4210, 38364), (5052, 31970), (5560, 29049), (6315, 25576), (6394, 25260), (8340, 19366), (8420, 19182), (9591, 16840), (9683, 16680), (10104, 15985), (12630, 12788)]