28399770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 85887360

約数和(自身を除く): 57487590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 739, 854, 915, 1098, 1281, 1478, 1830, 2135, 2217, 2562, 2745, 3695, 3843, 4270, 4434, 5173, 5490, 6405, 6651, 7390, 7686, 10346, 11085, 12810, 13302, 15519, 19215, 22170, 25865, 31038, 33255, 38430, 45079, 46557, 51730, 66510, 77595, 90158, 93114, 135237, 155190, 225395, 232785, 270474, 315553, 405711, 450790, 465570, 631106, 676185, 811422, 946659, 1352370, 1577765, 1893318, 2028555, 2839977, 3155530, 4057110, 4733295, 5679954, 9466590, 14199885, 28399770]

約数ペア:

[(1, 28399770), (2, 14199885), (3, 9466590), (5, 5679954), (6, 4733295), (7, 4057110), (9, 3155530), (10, 2839977), (14, 2028555), (15, 1893318), (18, 1577765), (21, 1352370), (30, 946659), (35, 811422), (42, 676185), (45, 631106), (61, 465570), (63, 450790), (70, 405711), (90, 315553), (105, 270474), (122, 232785), (126, 225395), (183, 155190), (210, 135237), (305, 93114), (315, 90158), (366, 77595), (427, 66510), (549, 51730), (610, 46557), (630, 45079), (739, 38430), (854, 33255), (915, 31038), (1098, 25865), (1281, 22170), (1478, 19215), (1830, 15519), (2135, 13302), (2217, 12810), (2562, 11085), (2745, 10346), (3695, 7686), (3843, 7390), (4270, 6651), (4434, 6405), (5173, 5490)]