399126780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 1310609664

約数和(自身を除く): 911482884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 281, 390, 468, 562, 585, 607, 780, 843, 1124, 1170, 1214, 1405, 1686, 1821, 2340, 2428, 2529, 2810, 3035, 3372, 3642, 3653, 4215, 5058, 5463, 5620, 6070, 7284, 7306, 7891, 8430, 9105, 10116, 10926, 10959, 12140, 12645, 14612, 15782, 16860, 18210, 18265, 21852, 21918, 23673, 25290, 27315, 31564, 32877, 36420, 36530, 39455, 43836, 47346, 50580, 54630, 54795, 65754, 71019, 73060, 78910, 94692, 109260, 109590, 118365, 131508, 142038, 157820, 164385, 170567, 219180, 236730, 284076, 328770, 341134, 355095, 473460, 511701, 657540, 682268, 710190, 852835, 1023402, 1420380, 1535103, 1705670, 2046804, 2217371, 2558505, 3070206, 3411340, 4434742, 5117010, 6140412, 6652113, 7675515, 8869484, 10234020, 11086855, 13304226, 15351030, 19956339, 22173710, 26608452, 30702060, 33260565, 39912678, 44347420, 66521130, 79825356, 99781695, 133042260, 199563390, 399126780]

約数ペア:

[(1, 399126780), (2, 199563390), (3, 133042260), (4, 99781695), (5, 79825356), (6, 66521130), (9, 44347420), (10, 39912678), (12, 33260565), (13, 30702060), (15, 26608452), (18, 22173710), (20, 19956339), (26, 15351030), (30, 13304226), (36, 11086855), (39, 10234020), (45, 8869484), (52, 7675515), (60, 6652113), (65, 6140412), (78, 5117010), (90, 4434742), (117, 3411340), (130, 3070206), (156, 2558505), (180, 2217371), (195, 2046804), (234, 1705670), (260, 1535103), (281, 1420380), (390, 1023402), (468, 852835), (562, 710190), (585, 682268), (607, 657540), (780, 511701), (843, 473460), (1124, 355095), (1170, 341134), (1214, 328770), (1405, 284076), (1686, 236730), (1821, 219180), (2340, 170567), (2428, 164385), (2529, 157820), (2810, 142038), (3035, 131508), (3372, 118365), (3642, 109590), (3653, 109260), (4215, 94692), (5058, 78910), (5463, 73060), (5620, 71019), (6070, 65754), (7284, 54795), (7306, 54630), (7891, 50580), (8430, 47346), (9105, 43836), (10116, 39455), (10926, 36530), (10959, 36420), (12140, 32877), (12645, 31564), (14612, 27315), (15782, 25290), (16860, 23673), (18210, 21918), (18265, 21852)]