2786887480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:1041

約数の個数: 128

約数和(自身を含む): 6938305920

約数和(自身を除く): 4151418440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 103, 104, 122, 130, 206, 244, 260, 305, 412, 488, 515, 520, 610, 793, 824, 853, 1030, 1220, 1339, 1586, 1706, 2060, 2440, 2678, 3172, 3412, 3965, 4120, 4265, 5356, 6283, 6344, 6695, 6824, 7930, 8530, 10712, 11089, 12566, 13390, 15860, 17060, 22178, 25132, 26780, 31415, 31720, 34120, 44356, 50264, 52033, 53560, 55445, 62830, 81679, 87859, 88712, 104066, 110890, 125660, 163358, 175718, 208132, 221780, 251320, 260165, 326716, 351436, 408395, 416264, 439295, 443560, 520330, 653432, 676429, 702872, 816790, 878590, 1040660, 1142167, 1352858, 1633580, 1757180, 2081320, 2284334, 2705716, 3267160, 3382145, 3514360, 4568668, 5359399, 5411432, 5710835, 6764290, 9137336, 10718798, 11421670, 13528580, 21437596, 22843340, 26796995, 27057160, 42875192, 45686680, 53593990, 69672187, 107187980, 139344374, 214375960, 278688748, 348360935, 557377496, 696721870, 1393443740, 2786887480]

約数ペア:

[(1, 2786887480), (2, 1393443740), (4, 696721870), (5, 557377496), (8, 348360935), (10, 278688748), (13, 214375960), (20, 139344374), (26, 107187980), (40, 69672187), (52, 53593990), (61, 45686680), (65, 42875192), (103, 27057160), (104, 26796995), (122, 22843340), (130, 21437596), (206, 13528580), (244, 11421670), (260, 10718798), (305, 9137336), (412, 6764290), (488, 5710835), (515, 5411432), (520, 5359399), (610, 4568668), (793, 3514360), (824, 3382145), (853, 3267160), (1030, 2705716), (1220, 2284334), (1339, 2081320), (1586, 1757180), (1706, 1633580), (2060, 1352858), (2440, 1142167), (2678, 1040660), (3172, 878590), (3412, 816790), (3965, 702872), (4120, 676429), (4265, 653432), (5356, 520330), (6283, 443560), (6344, 439295), (6695, 416264), (6824, 408395), (7930, 351436), (8530, 326716), (10712, 260165), (11089, 251320), (12566, 221780), (13390, 208132), (15860, 175718), (17060, 163358), (22178, 125660), (25132, 110890), (26780, 104066), (31415, 88712), (31720, 87859), (34120, 81679), (44356, 62830), (50264, 55445), (52033, 53560)]