90571860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 294053760

約数和(自身を除く): 203481900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 373, 380, 426, 570, 639, 684, 710, 746, 852, 855, 1065, 1119, 1140, 1278, 1349, 1420, 1492, 1710, 1865, 2130, 2238, 2556, 2698, 3195, 3357, 3420, 3730, 4047, 4260, 4476, 5396, 5595, 6390, 6714, 6745, 7087, 7460, 8094, 11190, 12141, 12780, 13428, 13490, 14174, 16188, 16785, 20235, 21261, 22380, 24282, 26483, 26980, 28348, 33570, 35435, 40470, 42522, 48564, 52966, 60705, 63783, 67140, 70870, 79449, 80940, 85044, 105932, 106305, 121410, 127566, 132415, 141740, 158898, 212610, 238347, 242820, 255132, 264830, 317796, 318915, 397245, 425220, 476694, 503177, 529660, 637830, 794490, 953388, 1006354, 1191735, 1275660, 1509531, 1588980, 2012708, 2383470, 2515885, 3019062, 4528593, 4766940, 5031770, 6038124, 7547655, 9057186, 10063540, 15095310, 18114372, 22642965, 30190620, 45285930, 90571860]

約数ペア:

[(1, 90571860), (2, 45285930), (3, 30190620), (4, 22642965), (5, 18114372), (6, 15095310), (9, 10063540), (10, 9057186), (12, 7547655), (15, 6038124), (18, 5031770), (19, 4766940), (20, 4528593), (30, 3019062), (36, 2515885), (38, 2383470), (45, 2012708), (57, 1588980), (60, 1509531), (71, 1275660), (76, 1191735), (90, 1006354), (95, 953388), (114, 794490), (142, 637830), (171, 529660), (180, 503177), (190, 476694), (213, 425220), (228, 397245), (284, 318915), (285, 317796), (342, 264830), (355, 255132), (373, 242820), (380, 238347), (426, 212610), (570, 158898), (639, 141740), (684, 132415), (710, 127566), (746, 121410), (852, 106305), (855, 105932), (1065, 85044), (1119, 80940), (1140, 79449), (1278, 70870), (1349, 67140), (1420, 63783), (1492, 60705), (1710, 52966), (1865, 48564), (2130, 42522), (2238, 40470), (2556, 35435), (2698, 33570), (3195, 28348), (3357, 26980), (3420, 26483), (3730, 24282), (4047, 22380), (4260, 21261), (4476, 20235), (5396, 16785), (5595, 16188), (6390, 14174), (6714, 13490), (6745, 13428), (7087, 12780), (7460, 12141), (8094, 11190)]