78461970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6739

約数の個数: 64

約数和(自身を含む): 208085760

約数和(自身を除く): 129623790

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 3910, 5865, 6689, 11730, 13378, 20067, 33445, 40134, 66890, 100335, 113713, 153847, 200670, 227426, 307694, 341139, 461541, 568565, 682278, 769235, 923082, 1137130, 1538470, 1705695, 2307705, 2615399, 3411390, 4615410, 5230798, 7846197, 13076995, 15692394, 26153990, 39230985, 78461970]

約数ペア:

[(1, 78461970), (2, 39230985), (3, 26153990), (5, 15692394), (6, 13076995), (10, 7846197), (15, 5230798), (17, 4615410), (23, 3411390), (30, 2615399), (34, 2307705), (46, 1705695), (51, 1538470), (69, 1137130), (85, 923082), (102, 769235), (115, 682278), (138, 568565), (170, 461541), (230, 341139), (255, 307694), (345, 227426), (391, 200670), (510, 153847), (690, 113713), (782, 100335), (1173, 66890), (1955, 40134), (2346, 33445), (3910, 20067), (5865, 13378), (6689, 11730)]