128852220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 435456000

約数和(自身を除く): 306603780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 71, 84, 87, 105, 116, 140, 142, 145, 149, 174, 203, 210, 213, 284, 290, 298, 348, 355, 406, 420, 426, 435, 447, 497, 580, 596, 609, 710, 745, 812, 852, 870, 894, 994, 1015, 1043, 1065, 1218, 1420, 1490, 1491, 1740, 1788, 1988, 2030, 2059, 2086, 2130, 2235, 2436, 2485, 2980, 2982, 3045, 3129, 4060, 4118, 4172, 4260, 4321, 4470, 4970, 5215, 5964, 6090, 6177, 6258, 7455, 8236, 8642, 8940, 9940, 10295, 10430, 10579, 12180, 12354, 12516, 12963, 14413, 14910, 15645, 17284, 20590, 20860, 21158, 21605, 24708, 25926, 28826, 29820, 30247, 30885, 31290, 31737, 41180, 42316, 43210, 43239, 51852, 52895, 57652, 60494, 61770, 62580, 63474, 64815, 72065, 74053, 86420, 86478, 90741, 105790, 120988, 123540, 126948, 129630, 144130, 148106, 151235, 158685, 172956, 181482, 211580, 216195, 222159, 259260, 288260, 296212, 302470, 306791, 317370, 362964, 370265, 432390, 444318, 453705, 604940, 613582, 634740, 740530, 864780, 888636, 907410, 920373, 1110795, 1227164, 1481060, 1533955, 1814820, 1840746, 2147537, 2221590, 3067910, 3681492, 4295074, 4443180, 4601865, 6135820, 6442611, 8590148, 9203730, 10737685, 12885222, 18407460, 21475370, 25770444, 32213055, 42950740, 64426110, 128852220]

約数ペア:

[(1, 128852220), (2, 64426110), (3, 42950740), (4, 32213055), (5, 25770444), (6, 21475370), (7, 18407460), (10, 12885222), (12, 10737685), (14, 9203730), (15, 8590148), (20, 6442611), (21, 6135820), (28, 4601865), (29, 4443180), (30, 4295074), (35, 3681492), (42, 3067910), (58, 2221590), (60, 2147537), (70, 1840746), (71, 1814820), (84, 1533955), (87, 1481060), (105, 1227164), (116, 1110795), (140, 920373), (142, 907410), (145, 888636), (149, 864780), (174, 740530), (203, 634740), (210, 613582), (213, 604940), (284, 453705), (290, 444318), (298, 432390), (348, 370265), (355, 362964), (406, 317370), (420, 306791), (426, 302470), (435, 296212), (447, 288260), (497, 259260), (580, 222159), (596, 216195), (609, 211580), (710, 181482), (745, 172956), (812, 158685), (852, 151235), (870, 148106), (894, 144130), (994, 129630), (1015, 126948), (1043, 123540), (1065, 120988), (1218, 105790), (1420, 90741), (1490, 86478), (1491, 86420), (1740, 74053), (1788, 72065), (1988, 64815), (2030, 63474), (2059, 62580), (2086, 61770), (2130, 60494), (2235, 57652), (2436, 52895), (2485, 51852), (2980, 43239), (2982, 43210), (3045, 42316), (3129, 41180), (4060, 31737), (4118, 31290), (4172, 30885), (4260, 30247), (4321, 29820), (4470, 28826), (4970, 25926), (5215, 24708), (5964, 21605), (6090, 21158), (6177, 20860), (6258, 20590), (7455, 17284), (8236, 15645), (8642, 14910), (8940, 14413), (9940, 12963), (10295, 12516), (10430, 12354), (10579, 12180)]