15409540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 34151040

約数和(自身を除く): 18741500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 241, 278, 460, 482, 556, 695, 964, 1205, 1390, 2410, 2780, 3197, 4820, 5543, 6394, 11086, 12788, 15985, 22172, 27715, 31970, 33499, 55430, 63940, 66998, 110860, 133996, 167495, 334990, 669980, 770477, 1540954, 3081908, 3852385, 7704770, 15409540]

約数ペア:

[(1, 15409540), (2, 7704770), (4, 3852385), (5, 3081908), (10, 1540954), (20, 770477), (23, 669980), (46, 334990), (92, 167495), (115, 133996), (139, 110860), (230, 66998), (241, 63940), (278, 55430), (460, 33499), (482, 31970), (556, 27715), (695, 22172), (964, 15985), (1205, 12788), (1390, 11086), (2410, 6394), (2780, 5543), (3197, 4820)]