31957380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1986

約数の個数: 144

約数和(自身を含む): 119368704

約数和(自身を除く): 87411324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1951, 2340, 2730, 3276, 3902, 4095, 5460, 5853, 7804, 8190, 9755, 11706, 13657, 16380, 17559, 19510, 23412, 25363, 27314, 29265, 35118, 39020, 40971, 50726, 54628, 58530, 68285, 70236, 76089, 81942, 87795, 101452, 117060, 122913, 126815, 136570, 152178, 163884, 175590, 177541, 204855, 228267, 245826, 253630, 273140, 304356, 351180, 355082, 380445, 409710, 456534, 491652, 507260, 532623, 614565, 710164, 760890, 819420, 887705, 913068, 1065246, 1141335, 1229130, 1521780, 1597869, 1775410, 2130492, 2282670, 2458260, 2663115, 3195738, 3550820, 4565340, 5326230, 6391476, 7989345, 10652460, 15978690, 31957380]

約数ペア:

[(1, 31957380), (2, 15978690), (3, 10652460), (4, 7989345), (5, 6391476), (6, 5326230), (7, 4565340), (9, 3550820), (10, 3195738), (12, 2663115), (13, 2458260), (14, 2282670), (15, 2130492), (18, 1775410), (20, 1597869), (21, 1521780), (26, 1229130), (28, 1141335), (30, 1065246), (35, 913068), (36, 887705), (39, 819420), (42, 760890), (45, 710164), (52, 614565), (60, 532623), (63, 507260), (65, 491652), (70, 456534), (78, 409710), (84, 380445), (90, 355082), (91, 351180), (105, 304356), (117, 273140), (126, 253630), (130, 245826), (140, 228267), (156, 204855), (180, 177541), (182, 175590), (195, 163884), (210, 152178), (234, 136570), (252, 126815), (260, 122913), (273, 117060), (315, 101452), (364, 87795), (390, 81942), (420, 76089), (455, 70236), (468, 68285), (546, 58530), (585, 54628), (630, 50726), (780, 40971), (819, 39020), (910, 35118), (1092, 29265), (1170, 27314), (1260, 25363), (1365, 23412), (1638, 19510), (1820, 17559), (1951, 16380), (2340, 13657), (2730, 11706), (3276, 9755), (3902, 8190), (4095, 7804), (5460, 5853)]