158017720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 436233600

約数和(自身を除く): 278215880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 89, 119, 136, 140, 170, 178, 238, 280, 340, 356, 373, 445, 476, 595, 623, 680, 712, 746, 890, 952, 1190, 1246, 1492, 1513, 1780, 1865, 2380, 2492, 2611, 2984, 3026, 3115, 3560, 3730, 4760, 4984, 5222, 6052, 6230, 6341, 7460, 7565, 10444, 10591, 12104, 12460, 12682, 13055, 14920, 15130, 20888, 21182, 24920, 25364, 26110, 30260, 31705, 33197, 42364, 44387, 50728, 52220, 52955, 60520, 63410, 66394, 84728, 88774, 104440, 105910, 126820, 132788, 165985, 177548, 211820, 221935, 232379, 253640, 265576, 331970, 355096, 423640, 443870, 464758, 564349, 663940, 887740, 929516, 1128698, 1161895, 1327880, 1775480, 1859032, 2257396, 2323790, 2821745, 3950443, 4514792, 4647580, 5643490, 7900886, 9295160, 11286980, 15801772, 19752215, 22573960, 31603544, 39504430, 79008860, 158017720]

約数ペア:

[(1, 158017720), (2, 79008860), (4, 39504430), (5, 31603544), (7, 22573960), (8, 19752215), (10, 15801772), (14, 11286980), (17, 9295160), (20, 7900886), (28, 5643490), (34, 4647580), (35, 4514792), (40, 3950443), (56, 2821745), (68, 2323790), (70, 2257396), (85, 1859032), (89, 1775480), (119, 1327880), (136, 1161895), (140, 1128698), (170, 929516), (178, 887740), (238, 663940), (280, 564349), (340, 464758), (356, 443870), (373, 423640), (445, 355096), (476, 331970), (595, 265576), (623, 253640), (680, 232379), (712, 221935), (746, 211820), (890, 177548), (952, 165985), (1190, 132788), (1246, 126820), (1492, 105910), (1513, 104440), (1780, 88774), (1865, 84728), (2380, 66394), (2492, 63410), (2611, 60520), (2984, 52955), (3026, 52220), (3115, 50728), (3560, 44387), (3730, 42364), (4760, 33197), (4984, 31705), (5222, 30260), (6052, 26110), (6230, 25364), (6341, 24920), (7460, 21182), (7565, 20888), (10444, 15130), (10591, 14920), (12104, 13055), (12460, 12682)]