78116480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 206917200

約数和(自身を除く): 128800720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 229, 260, 320, 328, 410, 416, 458, 520, 533, 640, 656, 820, 832, 916, 1040, 1066, 1145, 1312, 1640, 1664, 1832, 2080, 2132, 2290, 2624, 2665, 2977, 3280, 3664, 4160, 4264, 4580, 5248, 5330, 5954, 6560, 7328, 8320, 8528, 9160, 9389, 10660, 11908, 13120, 14656, 14885, 17056, 18320, 18778, 21320, 23816, 26240, 29312, 29770, 34112, 36640, 37556, 42640, 46945, 47632, 59540, 68224, 73280, 75112, 85280, 93890, 95264, 119080, 122057, 146560, 150224, 170560, 187780, 190528, 238160, 244114, 300448, 341120, 375560, 381056, 476320, 488228, 600896, 610285, 751120, 952640, 976456, 1201792, 1220570, 1502240, 1905280, 1952912, 2441140, 3004480, 3905824, 4882280, 6008960, 7811648, 9764560, 15623296, 19529120, 39058240, 78116480]

約数ペア:

[(1, 78116480), (2, 39058240), (4, 19529120), (5, 15623296), (8, 9764560), (10, 7811648), (13, 6008960), (16, 4882280), (20, 3905824), (26, 3004480), (32, 2441140), (40, 1952912), (41, 1905280), (52, 1502240), (64, 1220570), (65, 1201792), (80, 976456), (82, 952640), (104, 751120), (128, 610285), (130, 600896), (160, 488228), (164, 476320), (205, 381056), (208, 375560), (229, 341120), (260, 300448), (320, 244114), (328, 238160), (410, 190528), (416, 187780), (458, 170560), (520, 150224), (533, 146560), (640, 122057), (656, 119080), (820, 95264), (832, 93890), (916, 85280), (1040, 75112), (1066, 73280), (1145, 68224), (1312, 59540), (1640, 47632), (1664, 46945), (1832, 42640), (2080, 37556), (2132, 36640), (2290, 34112), (2624, 29770), (2665, 29312), (2977, 26240), (3280, 23816), (3664, 21320), (4160, 18778), (4264, 18320), (4580, 17056), (5248, 14885), (5330, 14656), (5954, 13120), (6560, 11908), (7328, 10660), (8320, 9389), (8528, 9160)]