2181299940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1117}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 6983296320

約数和(自身を除く): 4801996380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 571, 684, 855, 1117, 1140, 1142, 1710, 1713, 2234, 2284, 2855, 3351, 3420, 3426, 4468, 5139, 5585, 5710, 6702, 6852, 8565, 10053, 10278, 10849, 11170, 11420, 13404, 16755, 17130, 20106, 20556, 21223, 21698, 22340, 25695, 32547, 33510, 34260, 40212, 42446, 43396, 50265, 51390, 54245, 63669, 65094, 67020, 84892, 97641, 100530, 102780, 106115, 108490, 127338, 130188, 162735, 191007, 195282, 201060, 212230, 216980, 254676, 318345, 325470, 382014, 390564, 424460, 488205, 636690, 637807, 650940, 764028, 955035, 976410, 1273380, 1275614, 1910070, 1913421, 1952820, 2551228, 3189035, 3820140, 3826842, 5740263, 6378070, 7653684, 9567105, 11480526, 12118333, 12756140, 19134210, 22961052, 24236666, 28701315, 36354999, 38268420, 48473332, 57402630, 60591665, 72709998, 109064997, 114805260, 121183330, 145419996, 181774995, 218129994, 242366660, 363549990, 436259988, 545324985, 727099980, 1090649970, 2181299940]

約数ペア:

[(1, 2181299940), (2, 1090649970), (3, 727099980), (4, 545324985), (5, 436259988), (6, 363549990), (9, 242366660), (10, 218129994), (12, 181774995), (15, 145419996), (18, 121183330), (19, 114805260), (20, 109064997), (30, 72709998), (36, 60591665), (38, 57402630), (45, 48473332), (57, 38268420), (60, 36354999), (76, 28701315), (90, 24236666), (95, 22961052), (114, 19134210), (171, 12756140), (180, 12118333), (190, 11480526), (228, 9567105), (285, 7653684), (342, 6378070), (380, 5740263), (570, 3826842), (571, 3820140), (684, 3189035), (855, 2551228), (1117, 1952820), (1140, 1913421), (1142, 1910070), (1710, 1275614), (1713, 1273380), (2234, 976410), (2284, 955035), (2855, 764028), (3351, 650940), (3420, 637807), (3426, 636690), (4468, 488205), (5139, 424460), (5585, 390564), (5710, 382014), (6702, 325470), (6852, 318345), (8565, 254676), (10053, 216980), (10278, 212230), (10849, 201060), (11170, 195282), (11420, 191007), (13404, 162735), (16755, 130188), (17130, 127338), (20106, 108490), (20556, 106115), (21223, 102780), (21698, 100530), (22340, 97641), (25695, 84892), (32547, 67020), (33510, 65094), (34260, 63669), (40212, 54245), (42446, 51390), (43396, 50265)]