78780870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 243809280

約数和(自身を除く): 165028410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 73, 90, 105, 126, 135, 146, 189, 210, 219, 270, 315, 365, 378, 438, 511, 571, 630, 657, 730, 945, 1022, 1095, 1142, 1314, 1533, 1713, 1890, 1971, 2190, 2555, 2855, 3066, 3285, 3426, 3942, 3997, 4599, 5110, 5139, 5710, 6570, 7665, 7994, 8565, 9198, 9855, 10278, 11991, 13797, 15330, 15417, 17130, 19710, 19985, 22995, 23982, 25695, 27594, 30834, 35973, 39970, 41683, 45990, 51390, 59955, 68985, 71946, 77085, 83366, 107919, 119910, 125049, 137970, 154170, 179865, 208415, 215838, 250098, 291781, 359730, 375147, 416830, 539595, 583562, 625245, 750294, 875343, 1079190, 1125441, 1250490, 1458905, 1750686, 1875735, 2250882, 2626029, 2917810, 3751470, 4376715, 5252058, 5627205, 7878087, 8753430, 11254410, 13130145, 15756174, 26260290, 39390435, 78780870]

約数ペア:

[(1, 78780870), (2, 39390435), (3, 26260290), (5, 15756174), (6, 13130145), (7, 11254410), (9, 8753430), (10, 7878087), (14, 5627205), (15, 5252058), (18, 4376715), (21, 3751470), (27, 2917810), (30, 2626029), (35, 2250882), (42, 1875735), (45, 1750686), (54, 1458905), (63, 1250490), (70, 1125441), (73, 1079190), (90, 875343), (105, 750294), (126, 625245), (135, 583562), (146, 539595), (189, 416830), (210, 375147), (219, 359730), (270, 291781), (315, 250098), (365, 215838), (378, 208415), (438, 179865), (511, 154170), (571, 137970), (630, 125049), (657, 119910), (730, 107919), (945, 83366), (1022, 77085), (1095, 71946), (1142, 68985), (1314, 59955), (1533, 51390), (1713, 45990), (1890, 41683), (1971, 39970), (2190, 35973), (2555, 30834), (2855, 27594), (3066, 25695), (3285, 23982), (3426, 22995), (3942, 19985), (3997, 19710), (4599, 17130), (5110, 15417), (5139, 15330), (5710, 13797), (6570, 11991), (7665, 10278), (7994, 9855), (8565, 9198)]