19941480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4291

約数の個数: 96

約数和(自身を含む): 69811560

約数和(自身を除く): 49870080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4261, 4680, 8522, 12783, 17044, 21305, 25566, 34088, 38349, 42610, 51132, 55393, 63915, 76698, 85220, 102264, 110786, 127830, 153396, 166179, 170440, 191745, 221572, 255660, 276965, 306792, 332358, 383490, 443144, 498537, 511320, 553930, 664716, 766980, 830895, 997074, 1107860, 1329432, 1533960, 1661790, 1994148, 2215720, 2492685, 3323580, 3988296, 4985370, 6647160, 9970740, 19941480]

約数ペア:

[(1, 19941480), (2, 9970740), (3, 6647160), (4, 4985370), (5, 3988296), (6, 3323580), (8, 2492685), (9, 2215720), (10, 1994148), (12, 1661790), (13, 1533960), (15, 1329432), (18, 1107860), (20, 997074), (24, 830895), (26, 766980), (30, 664716), (36, 553930), (39, 511320), (40, 498537), (45, 443144), (52, 383490), (60, 332358), (65, 306792), (72, 276965), (78, 255660), (90, 221572), (104, 191745), (117, 170440), (120, 166179), (130, 153396), (156, 127830), (180, 110786), (195, 102264), (234, 85220), (260, 76698), (312, 63915), (360, 55393), (390, 51132), (468, 42610), (520, 38349), (585, 34088), (780, 25566), (936, 21305), (1170, 17044), (1560, 12783), (2340, 8522), (4261, 4680)]