15661695420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{18199}}^1$

素因数の和:18904

約数の個数: 144

約数和(自身を含む): 54376358400

約数和(自身を除く): 38714662980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 683, 1260, 1366, 2049, 2732, 3415, 4098, 4781, 6147, 6830, 8196, 9562, 10245, 12294, 13660, 14343, 18199, 19124, 20490, 23905, 24588, 28686, 30735, 36398, 40980, 43029, 47810, 54597, 57372, 61470, 71715, 72796, 86058, 90995, 95620, 109194, 122940, 127393, 143430, 163791, 172116, 181990, 215145, 218388, 254786, 272985, 286860, 327582, 363980, 382179, 430290, 509572, 545970, 636965, 655164, 764358, 818955, 860580, 1091940, 1146537, 1273930, 1528716, 1637910, 1910895, 2293074, 2547860, 3275820, 3821790, 4586148, 5732685, 7643580, 11465370, 12429917, 22930740, 24859834, 37289751, 49719668, 62149585, 74579502, 87009419, 111869253, 124299170, 149159004, 174018838, 186448755, 223738506, 248598340, 261028257, 348037676, 372897510, 435047095, 447477012, 522056514, 559346265, 745795020, 783084771, 870094190, 1044113028, 1118692530, 1305141285, 1566169542, 1740188380, 2237385060, 2610282570, 3132339084, 3915423855, 5220565140, 7830847710, 15661695420]

約数ペア:

[(1, 15661695420), (2, 7830847710), (3, 5220565140), (4, 3915423855), (5, 3132339084), (6, 2610282570), (7, 2237385060), (9, 1740188380), (10, 1566169542), (12, 1305141285), (14, 1118692530), (15, 1044113028), (18, 870094190), (20, 783084771), (21, 745795020), (28, 559346265), (30, 522056514), (35, 447477012), (36, 435047095), (42, 372897510), (45, 348037676), (60, 261028257), (63, 248598340), (70, 223738506), (84, 186448755), (90, 174018838), (105, 149159004), (126, 124299170), (140, 111869253), (180, 87009419), (210, 74579502), (252, 62149585), (315, 49719668), (420, 37289751), (630, 24859834), (683, 22930740), (1260, 12429917), (1366, 11465370), (2049, 7643580), (2732, 5732685), (3415, 4586148), (4098, 3821790), (4781, 3275820), (6147, 2547860), (6830, 2293074), (8196, 1910895), (9562, 1637910), (10245, 1528716), (12294, 1273930), (13660, 1146537), (14343, 1091940), (18199, 860580), (19124, 818955), (20490, 764358), (23905, 655164), (24588, 636965), (28686, 545970), (30735, 509572), (36398, 430290), (40980, 382179), (43029, 363980), (47810, 327582), (54597, 286860), (57372, 272985), (61470, 254786), (71715, 218388), (72796, 215145), (86058, 181990), (90995, 172116), (95620, 163791), (109194, 143430), (122940, 127393)]