31256550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 93944880

約数和(自身を除く): 62688330

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 137, 150, 169, 195, 225, 234, 270, 274, 325, 338, 351, 390, 411, 450, 507, 585, 650, 675, 685, 702, 822, 845, 975, 1014, 1170, 1233, 1350, 1370, 1521, 1690, 1755, 1781, 1950, 2055, 2466, 2535, 2925, 3042, 3425, 3510, 3562, 3699, 4110, 4225, 4563, 5070, 5343, 5850, 6165, 6850, 7398, 7605, 8450, 8775, 8905, 9126, 10275, 10686, 12330, 12675, 15210, 16029, 17550, 17810, 18495, 20550, 22815, 23153, 25350, 26715, 30825, 32058, 36990, 38025, 44525, 45630, 46306, 48087, 53430, 61650, 69459, 76050, 80145, 89050, 92475, 96174, 114075, 115765, 133575, 138918, 160290, 184950, 208377, 228150, 231530, 240435, 267150, 347295, 400725, 416754, 480870, 578825, 625131, 694590, 801450, 1041885, 1157650, 1202175, 1250262, 1736475, 2083770, 2404350, 3125655, 3472950, 5209425, 6251310, 10418850, 15628275, 31256550]

約数ペア:

[(1, 31256550), (2, 15628275), (3, 10418850), (5, 6251310), (6, 5209425), (9, 3472950), (10, 3125655), (13, 2404350), (15, 2083770), (18, 1736475), (25, 1250262), (26, 1202175), (27, 1157650), (30, 1041885), (39, 801450), (45, 694590), (50, 625131), (54, 578825), (65, 480870), (75, 416754), (78, 400725), (90, 347295), (117, 267150), (130, 240435), (135, 231530), (137, 228150), (150, 208377), (169, 184950), (195, 160290), (225, 138918), (234, 133575), (270, 115765), (274, 114075), (325, 96174), (338, 92475), (351, 89050), (390, 80145), (411, 76050), (450, 69459), (507, 61650), (585, 53430), (650, 48087), (675, 46306), (685, 45630), (702, 44525), (822, 38025), (845, 36990), (975, 32058), (1014, 30825), (1170, 26715), (1233, 25350), (1350, 23153), (1370, 22815), (1521, 20550), (1690, 18495), (1755, 17810), (1781, 17550), (1950, 16029), (2055, 15210), (2466, 12675), (2535, 12330), (2925, 10686), (3042, 10275), (3425, 9126), (3510, 8905), (3562, 8775), (3699, 8450), (4110, 7605), (4225, 7398), (4563, 6850), (5070, 6165), (5343, 5850)]