221380380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 731989440

約数和(自身を除く): 510609060

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, 89, 90, 117, 130, 156, 178, 180, 195, 234, 260, 267, 356, 390, 445, 468, 534, 585, 780, 801, 890, 1063, 1068, 1157, 1170, 1335, 1602, 1780, 2126, 2314, 2340, 2670, 3189, 3204, 3471, 4005, 4252, 4628, 5315, 5340, 5785, 6378, 6942, 8010, 9567, 10413, 10630, 11570, 12756, 13819, 13884, 15945, 16020, 17355, 19134, 20826, 21260, 23140, 27638, 31890, 34710, 38268, 41457, 41652, 47835, 52065, 55276, 63780, 69095, 69420, 82914, 94607, 95670, 104130, 124371, 138190, 165828, 189214, 191340, 207285, 208260, 248742, 276380, 283821, 378428, 414570, 473035, 497484, 567642, 621855, 829140, 851463, 946070, 1135284, 1229891, 1243710, 1419105, 1702926, 1892140, 2459782, 2487420, 2838210, 3405852, 3689673, 4257315, 4919564, 5676420, 6149455, 7379346, 8514630, 11069019, 12298910, 14758692, 17029260, 18448365, 22138038, 24597820, 36896730, 44276076, 55345095, 73793460, 110690190, 221380380]

約数ペア:

[(1, 221380380), (2, 110690190), (3, 73793460), (4, 55345095), (5, 44276076), (6, 36896730), (9, 24597820), (10, 22138038), (12, 18448365), (13, 17029260), (15, 14758692), (18, 12298910), (20, 11069019), (26, 8514630), (30, 7379346), (36, 6149455), (39, 5676420), (45, 4919564), (52, 4257315), (60, 3689673), (65, 3405852), (78, 2838210), (89, 2487420), (90, 2459782), (117, 1892140), (130, 1702926), (156, 1419105), (178, 1243710), (180, 1229891), (195, 1135284), (234, 946070), (260, 851463), (267, 829140), (356, 621855), (390, 567642), (445, 497484), (468, 473035), (534, 414570), (585, 378428), (780, 283821), (801, 276380), (890, 248742), (1063, 208260), (1068, 207285), (1157, 191340), (1170, 189214), (1335, 165828), (1602, 138190), (1780, 124371), (2126, 104130), (2314, 95670), (2340, 94607), (2670, 82914), (3189, 69420), (3204, 69095), (3471, 63780), (4005, 55276), (4252, 52065), (4628, 47835), (5315, 41652), (5340, 41457), (5785, 38268), (6378, 34710), (6942, 31890), (8010, 27638), (9567, 23140), (10413, 21260), (10630, 20826), (11570, 19134), (12756, 17355), (13819, 16020), (13884, 15945)]