31612770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 99852480

約数和(自身を除く): 68239710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 139, 171, 190, 210, 266, 278, 285, 315, 342, 361, 399, 417, 570, 630, 665, 695, 722, 798, 834, 855, 973, 1083, 1197, 1251, 1330, 1390, 1710, 1805, 1946, 1995, 2085, 2166, 2394, 2502, 2527, 2641, 2919, 3249, 3610, 3990, 4170, 4865, 5054, 5282, 5415, 5838, 5985, 6255, 6498, 7581, 7923, 8757, 9730, 10830, 11970, 12510, 12635, 13205, 14595, 15162, 15846, 16245, 17514, 18487, 22743, 23769, 25270, 26410, 29190, 32490, 36974, 37905, 39615, 43785, 45486, 47538, 50179, 55461, 75810, 79230, 87570, 92435, 100358, 110922, 113715, 118845, 150537, 166383, 184870, 227430, 237690, 250895, 277305, 301074, 332766, 351253, 451611, 501790, 554610, 702506, 752685, 831915, 903222, 1053759, 1505370, 1663830, 1756265, 2107518, 2258055, 3161277, 3512530, 4516110, 5268795, 6322554, 10537590, 15806385, 31612770]

約数ペア:

[(1, 31612770), (2, 15806385), (3, 10537590), (5, 6322554), (6, 5268795), (7, 4516110), (9, 3512530), (10, 3161277), (14, 2258055), (15, 2107518), (18, 1756265), (19, 1663830), (21, 1505370), (30, 1053759), (35, 903222), (38, 831915), (42, 752685), (45, 702506), (57, 554610), (63, 501790), (70, 451611), (90, 351253), (95, 332766), (105, 301074), (114, 277305), (126, 250895), (133, 237690), (139, 227430), (171, 184870), (190, 166383), (210, 150537), (266, 118845), (278, 113715), (285, 110922), (315, 100358), (342, 92435), (361, 87570), (399, 79230), (417, 75810), (570, 55461), (630, 50179), (665, 47538), (695, 45486), (722, 43785), (798, 39615), (834, 37905), (855, 36974), (973, 32490), (1083, 29190), (1197, 26410), (1251, 25270), (1330, 23769), (1390, 22743), (1710, 18487), (1805, 17514), (1946, 16245), (1995, 15846), (2085, 15162), (2166, 14595), (2394, 13205), (2502, 12635), (2527, 12510), (2641, 11970), (2919, 10830), (3249, 9730), (3610, 8757), (3990, 7923), (4170, 7581), (4865, 6498), (5054, 6255), (5282, 5985), (5415, 5838)]