78902780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 194685120

約数和(自身を除く): 115782340

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 73, 85, 110, 146, 170, 187, 220, 289, 292, 340, 365, 374, 578, 730, 748, 803, 935, 1156, 1241, 1445, 1460, 1606, 1870, 2482, 2890, 3179, 3212, 3740, 4015, 4913, 4964, 5780, 6205, 6358, 8030, 9826, 12410, 12716, 13651, 15895, 16060, 19652, 21097, 24565, 24820, 27302, 31790, 42194, 49130, 54043, 54604, 63580, 68255, 84388, 98260, 105485, 108086, 136510, 210970, 216172, 232067, 270215, 273020, 358649, 421940, 464134, 540430, 717298, 928268, 1080860, 1160335, 1434596, 1793245, 2320670, 3586490, 3945139, 4641340, 7172980, 7890278, 15780556, 19725695, 39451390, 78902780]

約数ペア:

[(1, 78902780), (2, 39451390), (4, 19725695), (5, 15780556), (10, 7890278), (11, 7172980), (17, 4641340), (20, 3945139), (22, 3586490), (34, 2320670), (44, 1793245), (55, 1434596), (68, 1160335), (73, 1080860), (85, 928268), (110, 717298), (146, 540430), (170, 464134), (187, 421940), (220, 358649), (289, 273020), (292, 270215), (340, 232067), (365, 216172), (374, 210970), (578, 136510), (730, 108086), (748, 105485), (803, 98260), (935, 84388), (1156, 68255), (1241, 63580), (1445, 54604), (1460, 54043), (1606, 49130), (1870, 42194), (2482, 31790), (2890, 27302), (3179, 24820), (3212, 24565), (3740, 21097), (4015, 19652), (4913, 16060), (4964, 15895), (5780, 13651), (6205, 12716), (6358, 12410), (8030, 9826)]