15131870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 32006016

約数和(自身を除く): 16874146

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 130, 167, 170, 205, 221, 334, 410, 442, 533, 697, 835, 1066, 1105, 1394, 1670, 2171, 2210, 2665, 2839, 3485, 4342, 5330, 5678, 6847, 6970, 9061, 10855, 13694, 14195, 18122, 21710, 28390, 34235, 36907, 45305, 68470, 73814, 89011, 90610, 116399, 178022, 184535, 232798, 369070, 445055, 581995, 890110, 1163990, 1513187, 3026374, 7565935, 15131870]

約数ペア:

[(1, 15131870), (2, 7565935), (5, 3026374), (10, 1513187), (13, 1163990), (17, 890110), (26, 581995), (34, 445055), (41, 369070), (65, 232798), (82, 184535), (85, 178022), (130, 116399), (167, 90610), (170, 89011), (205, 73814), (221, 68470), (334, 45305), (410, 36907), (442, 34235), (533, 28390), (697, 21710), (835, 18122), (1066, 14195), (1105, 13694), (1394, 10855), (1670, 9061), (2171, 6970), (2210, 6847), (2665, 5678), (2839, 5330), (3485, 4342)]