15637830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 40920768

約数和(自身を除く): 25282938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 397, 505, 606, 794, 1010, 1191, 1313, 1515, 1985, 2382, 2626, 3030, 3939, 3970, 5161, 5955, 6565, 7878, 10322, 11910, 13130, 15483, 19695, 25805, 30966, 39390, 40097, 51610, 77415, 80194, 120291, 154830, 200485, 240582, 400970, 521261, 601455, 1042522, 1202910, 1563783, 2606305, 3127566, 5212610, 7818915, 15637830]

約数ペア:

[(1, 15637830), (2, 7818915), (3, 5212610), (5, 3127566), (6, 2606305), (10, 1563783), (13, 1202910), (15, 1042522), (26, 601455), (30, 521261), (39, 400970), (65, 240582), (78, 200485), (101, 154830), (130, 120291), (195, 80194), (202, 77415), (303, 51610), (390, 40097), (397, 39390), (505, 30966), (606, 25805), (794, 19695), (1010, 15483), (1191, 13130), (1313, 11910), (1515, 10322), (1985, 7878), (2382, 6565), (2626, 5955), (3030, 5161), (3939, 3970)]