207965640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1807

約数の個数: 128

約数和(自身を含む): 669513600

約数和(自身を除く): 461547960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 265, 285, 318, 380, 424, 456, 530, 570, 636, 760, 795, 1007, 1060, 1140, 1272, 1590, 1721, 2014, 2120, 2280, 3021, 3180, 3442, 4028, 5035, 5163, 6042, 6360, 6884, 8056, 8605, 10070, 10326, 12084, 13768, 15105, 17210, 20140, 20652, 24168, 25815, 30210, 32699, 34420, 40280, 41304, 51630, 60420, 65398, 68840, 91213, 98097, 103260, 120840, 130796, 163495, 182426, 196194, 206520, 261592, 273639, 326990, 364852, 392388, 456065, 490485, 547278, 653980, 729704, 784776, 912130, 980970, 1094556, 1307960, 1368195, 1733047, 1824260, 1961940, 2189112, 2736390, 3466094, 3648520, 3923880, 5199141, 5472780, 6932188, 8665235, 10398282, 10945560, 13864376, 17330470, 20796564, 25995705, 34660940, 41593128, 51991410, 69321880, 103982820, 207965640]

約数ペア:

[(1, 207965640), (2, 103982820), (3, 69321880), (4, 51991410), (5, 41593128), (6, 34660940), (8, 25995705), (10, 20796564), (12, 17330470), (15, 13864376), (19, 10945560), (20, 10398282), (24, 8665235), (30, 6932188), (38, 5472780), (40, 5199141), (53, 3923880), (57, 3648520), (60, 3466094), (76, 2736390), (95, 2189112), (106, 1961940), (114, 1824260), (120, 1733047), (152, 1368195), (159, 1307960), (190, 1094556), (212, 980970), (228, 912130), (265, 784776), (285, 729704), (318, 653980), (380, 547278), (424, 490485), (456, 456065), (530, 392388), (570, 364852), (636, 326990), (760, 273639), (795, 261592), (1007, 206520), (1060, 196194), (1140, 182426), (1272, 163495), (1590, 130796), (1721, 120840), (2014, 103260), (2120, 98097), (2280, 91213), (3021, 68840), (3180, 65398), (3442, 60420), (4028, 51630), (5035, 41304), (5163, 40280), (6042, 34420), (6360, 32699), (6884, 30210), (8056, 25815), (8605, 24168), (10070, 20652), (10326, 20140), (12084, 17210), (13768, 15105)]