31234980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 103219200

約数和(自身を除く): 71984220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2399, 2604, 3255, 4340, 4798, 6510, 7197, 9596, 11995, 13020, 14394, 16793, 23990, 28788, 33586, 35985, 47980, 50379, 67172, 71970, 74369, 83965, 100758, 143940, 148738, 167930, 201516, 223107, 251895, 297476, 335860, 371845, 446214, 503790, 520583, 743690, 892428, 1007580, 1041166, 1115535, 1487380, 1561749, 2082332, 2231070, 2602915, 3123498, 4462140, 5205830, 6246996, 7808745, 10411660, 15617490, 31234980]

約数ペア:

[(1, 31234980), (2, 15617490), (3, 10411660), (4, 7808745), (5, 6246996), (6, 5205830), (7, 4462140), (10, 3123498), (12, 2602915), (14, 2231070), (15, 2082332), (20, 1561749), (21, 1487380), (28, 1115535), (30, 1041166), (31, 1007580), (35, 892428), (42, 743690), (60, 520583), (62, 503790), (70, 446214), (84, 371845), (93, 335860), (105, 297476), (124, 251895), (140, 223107), (155, 201516), (186, 167930), (210, 148738), (217, 143940), (310, 100758), (372, 83965), (420, 74369), (434, 71970), (465, 67172), (620, 50379), (651, 47980), (868, 35985), (930, 33586), (1085, 28788), (1302, 23990), (1860, 16793), (2170, 14394), (2399, 13020), (2604, 11995), (3255, 9596), (4340, 7197), (4798, 6510)]