157401720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{8923}}^1$

素因数の和:8954

約数の個数: 144

約数和(自身を含む): 595141560

約数和(自身を除く): 437739840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 8923, 17640, 17846, 26769, 35692, 44615, 53538, 62461, 71384, 80307, 89230, 107076, 124922, 133845, 160614, 178460, 187383, 214152, 249844, 267690, 312305, 321228, 356920, 374766, 401535, 437227, 499688, 535380, 562149, 624610, 642456, 749532, 803070, 874454, 936915, 1070760, 1124298, 1249220, 1311681, 1499064, 1606140, 1748908, 1873830, 2186135, 2248596, 2498440, 2623362, 2810745, 3212280, 3497816, 3747660, 3935043, 4372270, 4497192, 5246724, 5621490, 6558405, 7495320, 7870086, 8744540, 10493448, 11242980, 13116810, 15740172, 17489080, 19675215, 22485960, 26233620, 31480344, 39350430, 52467240, 78700860, 157401720]

約数ペア:

[(1, 157401720), (2, 78700860), (3, 52467240), (4, 39350430), (5, 31480344), (6, 26233620), (7, 22485960), (8, 19675215), (9, 17489080), (10, 15740172), (12, 13116810), (14, 11242980), (15, 10493448), (18, 8744540), (20, 7870086), (21, 7495320), (24, 6558405), (28, 5621490), (30, 5246724), (35, 4497192), (36, 4372270), (40, 3935043), (42, 3747660), (45, 3497816), (49, 3212280), (56, 2810745), (60, 2623362), (63, 2498440), (70, 2248596), (72, 2186135), (84, 1873830), (90, 1748908), (98, 1606140), (105, 1499064), (120, 1311681), (126, 1249220), (140, 1124298), (147, 1070760), (168, 936915), (180, 874454), (196, 803070), (210, 749532), (245, 642456), (252, 624610), (280, 562149), (294, 535380), (315, 499688), (360, 437227), (392, 401535), (420, 374766), (441, 356920), (490, 321228), (504, 312305), (588, 267690), (630, 249844), (735, 214152), (840, 187383), (882, 178460), (980, 160614), (1176, 133845), (1260, 124922), (1470, 107076), (1764, 89230), (1960, 80307), (2205, 71384), (2520, 62461), (2940, 53538), (3528, 44615), (4410, 35692), (5880, 26769), (8820, 17846), (8923, 17640)]