31933720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 91607040

約数和(自身を除く): 59673320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 283, 310, 364, 403, 434, 455, 520, 566, 620, 728, 806, 868, 910, 1085, 1132, 1240, 1415, 1612, 1736, 1820, 1981, 2015, 2170, 2264, 2821, 2830, 3224, 3640, 3679, 3962, 4030, 4340, 5642, 5660, 7358, 7924, 8060, 8680, 8773, 9905, 11284, 11320, 14105, 14716, 15848, 16120, 17546, 18395, 19810, 22568, 25753, 28210, 29432, 35092, 36790, 39620, 43865, 51506, 56420, 61411, 70184, 73580, 79240, 87730, 103012, 112840, 114049, 122822, 128765, 147160, 175460, 206024, 228098, 245644, 257530, 307055, 350920, 456196, 491288, 515060, 570245, 614110, 798343, 912392, 1030120, 1140490, 1228220, 1596686, 2280980, 2456440, 3193372, 3991715, 4561960, 6386744, 7983430, 15966860, 31933720]

約数ペア:

[(1, 31933720), (2, 15966860), (4, 7983430), (5, 6386744), (7, 4561960), (8, 3991715), (10, 3193372), (13, 2456440), (14, 2280980), (20, 1596686), (26, 1228220), (28, 1140490), (31, 1030120), (35, 912392), (40, 798343), (52, 614110), (56, 570245), (62, 515060), (65, 491288), (70, 456196), (91, 350920), (104, 307055), (124, 257530), (130, 245644), (140, 228098), (155, 206024), (182, 175460), (217, 147160), (248, 128765), (260, 122822), (280, 114049), (283, 112840), (310, 103012), (364, 87730), (403, 79240), (434, 73580), (455, 70184), (520, 61411), (566, 56420), (620, 51506), (728, 43865), (806, 39620), (868, 36790), (910, 35092), (1085, 29432), (1132, 28210), (1240, 25753), (1415, 22568), (1612, 19810), (1736, 18395), (1820, 17546), (1981, 16120), (2015, 15848), (2170, 14716), (2264, 14105), (2821, 11320), (2830, 11284), (3224, 9905), (3640, 8773), (3679, 8680), (3962, 8060), (4030, 7924), (4340, 7358), (5642, 5660)]