156799840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3391}}^1$

素因数の和:3440

約数の個数: 72

約数和(自身を含む): 393628032

約数和(自身を除く): 236828192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2890, 3391, 4624, 5780, 6782, 9248, 11560, 13564, 16955, 23120, 27128, 33910, 46240, 54256, 57647, 67820, 108512, 115294, 135640, 230588, 271280, 288235, 461176, 542560, 576470, 922352, 979999, 1152940, 1844704, 1959998, 2305880, 3919996, 4611760, 4899995, 7839992, 9223520, 9799990, 15679984, 19599980, 31359968, 39199960, 78399920, 156799840]

約数ペア:

[(1, 156799840), (2, 78399920), (4, 39199960), (5, 31359968), (8, 19599980), (10, 15679984), (16, 9799990), (17, 9223520), (20, 7839992), (32, 4899995), (34, 4611760), (40, 3919996), (68, 2305880), (80, 1959998), (85, 1844704), (136, 1152940), (160, 979999), (170, 922352), (272, 576470), (289, 542560), (340, 461176), (544, 288235), (578, 271280), (680, 230588), (1156, 135640), (1360, 115294), (1445, 108512), (2312, 67820), (2720, 57647), (2890, 54256), (3391, 46240), (4624, 33910), (5780, 27128), (6782, 23120), (9248, 16955), (11560, 13564)]