202451080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 533836800

約数和(自身を除く): 331385720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 661, 760, 806, 988, 1178, 1235, 1240, 1322, 1612, 1976, 2015, 2356, 2470, 2644, 2945, 3224, 3305, 4030, 4712, 4940, 5288, 5890, 6610, 7657, 8060, 8593, 9880, 11780, 12559, 13220, 15314, 16120, 17186, 20491, 23560, 25118, 26440, 30628, 34372, 38285, 40982, 42965, 50236, 61256, 62795, 68744, 76570, 81964, 85930, 100472, 102455, 125590, 153140, 163267, 163928, 171860, 204910, 251180, 266383, 306280, 326534, 343720, 389329, 409820, 502360, 532766, 653068, 778658, 816335, 819640, 1065532, 1306136, 1331915, 1557316, 1632670, 1946645, 2131064, 2663830, 3114632, 3265340, 3893290, 5061277, 5327660, 6530680, 7786580, 10122554, 10655320, 15573160, 20245108, 25306385, 40490216, 50612770, 101225540, 202451080]

約数ペア:

[(1, 202451080), (2, 101225540), (4, 50612770), (5, 40490216), (8, 25306385), (10, 20245108), (13, 15573160), (19, 10655320), (20, 10122554), (26, 7786580), (31, 6530680), (38, 5327660), (40, 5061277), (52, 3893290), (62, 3265340), (65, 3114632), (76, 2663830), (95, 2131064), (104, 1946645), (124, 1632670), (130, 1557316), (152, 1331915), (155, 1306136), (190, 1065532), (247, 819640), (248, 816335), (260, 778658), (310, 653068), (380, 532766), (403, 502360), (494, 409820), (520, 389329), (589, 343720), (620, 326534), (661, 306280), (760, 266383), (806, 251180), (988, 204910), (1178, 171860), (1235, 163928), (1240, 163267), (1322, 153140), (1612, 125590), (1976, 102455), (2015, 100472), (2356, 85930), (2470, 81964), (2644, 76570), (2945, 68744), (3224, 62795), (3305, 61256), (4030, 50236), (4712, 42965), (4940, 40982), (5288, 38285), (5890, 34372), (6610, 30628), (7657, 26440), (8060, 25118), (8593, 23560), (9880, 20491), (11780, 17186), (12559, 16120), (13220, 15314)]