420971980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 1119928320

約数和(自身を除く): 698956340

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 61, 65, 76, 95, 110, 122, 127, 130, 143, 190, 209, 220, 244, 247, 254, 260, 286, 305, 380, 418, 494, 508, 572, 610, 635, 671, 715, 793, 836, 988, 1045, 1159, 1220, 1235, 1270, 1342, 1397, 1430, 1586, 1651, 2090, 2318, 2413, 2470, 2540, 2684, 2717, 2794, 2860, 3172, 3302, 3355, 3965, 4180, 4636, 4826, 4940, 5434, 5588, 5795, 6604, 6710, 6985, 7747, 7930, 8255, 8723, 9652, 10868, 11590, 12065, 12749, 13420, 13585, 13970, 15067, 15494, 15860, 16510, 17446, 18161, 23180, 24130, 25498, 26543, 27170, 27940, 30134, 30988, 31369, 33020, 34892, 36322, 38735, 43615, 48260, 50996, 53086, 54340, 60268, 62738, 63745, 72644, 75335, 77470, 85217, 87230, 90805, 100711, 106172, 125476, 127490, 132715, 147193, 150670, 154940, 156845, 165737, 170434, 174460, 181610, 201422, 254980, 265430, 294386, 301340, 313690, 331474, 340868, 345059, 363220, 402844, 426085, 503555, 530860, 588772, 627380, 662948, 690118, 735965, 828685, 852170, 1007110, 1107821, 1380236, 1471930, 1619123, 1657370, 1704340, 1725295, 1913509, 2014220, 2215642, 2943860, 3238246, 3314740, 3450590, 3827018, 4431284, 5539105, 6476492, 6901180, 7654036, 8095615, 9567545, 11078210, 16191230, 19135090, 21048599, 22156420, 32382460, 38270180, 42097198, 84194396, 105242995, 210485990, 420971980]

約数ペア:

[(1, 420971980), (2, 210485990), (4, 105242995), (5, 84194396), (10, 42097198), (11, 38270180), (13, 32382460), (19, 22156420), (20, 21048599), (22, 19135090), (26, 16191230), (38, 11078210), (44, 9567545), (52, 8095615), (55, 7654036), (61, 6901180), (65, 6476492), (76, 5539105), (95, 4431284), (110, 3827018), (122, 3450590), (127, 3314740), (130, 3238246), (143, 2943860), (190, 2215642), (209, 2014220), (220, 1913509), (244, 1725295), (247, 1704340), (254, 1657370), (260, 1619123), (286, 1471930), (305, 1380236), (380, 1107821), (418, 1007110), (494, 852170), (508, 828685), (572, 735965), (610, 690118), (635, 662948), (671, 627380), (715, 588772), (793, 530860), (836, 503555), (988, 426085), (1045, 402844), (1159, 363220), (1220, 345059), (1235, 340868), (1270, 331474), (1342, 313690), (1397, 301340), (1430, 294386), (1586, 265430), (1651, 254980), (2090, 201422), (2318, 181610), (2413, 174460), (2470, 170434), (2540, 165737), (2684, 156845), (2717, 154940), (2794, 150670), (2860, 147193), (3172, 132715), (3302, 127490), (3355, 125476), (3965, 106172), (4180, 100711), (4636, 90805), (4826, 87230), (4940, 85217), (5434, 77470), (5588, 75335), (5795, 72644), (6604, 63745), (6710, 62738), (6985, 60268), (7747, 54340), (7930, 53086), (8255, 50996), (8723, 48260), (9652, 43615), (10868, 38735), (11590, 36322), (12065, 34892), (12749, 33020), (13420, 31369), (13585, 30988), (13970, 30134), (15067, 27940), (15494, 27170), (15860, 26543), (16510, 25498), (17446, 24130), (18161, 23180)]