164385240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1413

約数の個数: 128

約数和(自身を含む): 531126720

約数和(自身を除く): 366741480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 244, 255, 305, 340, 366, 408, 488, 510, 610, 680, 732, 915, 1020, 1037, 1220, 1321, 1464, 1830, 2040, 2074, 2440, 2642, 3111, 3660, 3963, 4148, 5185, 5284, 6222, 6605, 7320, 7926, 8296, 10370, 10568, 12444, 13210, 15555, 15852, 19815, 20740, 22457, 24888, 26420, 31110, 31704, 39630, 41480, 44914, 52840, 62220, 67371, 79260, 80581, 89828, 112285, 124440, 134742, 158520, 161162, 179656, 224570, 241743, 269484, 322324, 336855, 402905, 449140, 483486, 538968, 644648, 673710, 805810, 898280, 966972, 1208715, 1347420, 1369877, 1611620, 1933944, 2417430, 2694840, 2739754, 3223240, 4109631, 4834860, 5479508, 6849385, 8219262, 9669720, 10959016, 13698770, 16438524, 20548155, 27397540, 32877048, 41096310, 54795080, 82192620, 164385240]

約数ペア:

[(1, 164385240), (2, 82192620), (3, 54795080), (4, 41096310), (5, 32877048), (6, 27397540), (8, 20548155), (10, 16438524), (12, 13698770), (15, 10959016), (17, 9669720), (20, 8219262), (24, 6849385), (30, 5479508), (34, 4834860), (40, 4109631), (51, 3223240), (60, 2739754), (61, 2694840), (68, 2417430), (85, 1933944), (102, 1611620), (120, 1369877), (122, 1347420), (136, 1208715), (170, 966972), (183, 898280), (204, 805810), (244, 673710), (255, 644648), (305, 538968), (340, 483486), (366, 449140), (408, 402905), (488, 336855), (510, 322324), (610, 269484), (680, 241743), (732, 224570), (915, 179656), (1020, 161162), (1037, 158520), (1220, 134742), (1321, 124440), (1464, 112285), (1830, 89828), (2040, 80581), (2074, 79260), (2440, 67371), (2642, 62220), (3111, 52840), (3660, 44914), (3963, 41480), (4148, 39630), (5185, 31704), (5284, 31110), (6222, 26420), (6605, 24888), (7320, 22457), (7926, 20740), (8296, 19815), (10370, 15852), (10568, 15555), (12444, 13210)]