42402780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 149333184

約数和(自身を除く): 106930404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 461, 511, 630, 657, 730, 876, 922, 1022, 1095, 1260, 1314, 1383, 1460, 1533, 1844, 2044, 2190, 2305, 2555, 2628, 2766, 3066, 3227, 3285, 4149, 4380, 4599, 4610, 5110, 5532, 6132, 6454, 6570, 6915, 7665, 8298, 9198, 9220, 9681, 10220, 12908, 13140, 13830, 15330, 16135, 16596, 18396, 19362, 20745, 22995, 27660, 29043, 30660, 32270, 33653, 38724, 41490, 45990, 48405, 58086, 64540, 67306, 82980, 91980, 96810, 100959, 116172, 134612, 145215, 168265, 193620, 201918, 235571, 290430, 302877, 336530, 403836, 471142, 504795, 580860, 605754, 673060, 706713, 942284, 1009590, 1177855, 1211508, 1413426, 1514385, 2019180, 2120139, 2355710, 2826852, 3028770, 3533565, 4240278, 4711420, 6057540, 7067130, 8480556, 10600695, 14134260, 21201390, 42402780]

約数ペア:

[(1, 42402780), (2, 21201390), (3, 14134260), (4, 10600695), (5, 8480556), (6, 7067130), (7, 6057540), (9, 4711420), (10, 4240278), (12, 3533565), (14, 3028770), (15, 2826852), (18, 2355710), (20, 2120139), (21, 2019180), (28, 1514385), (30, 1413426), (35, 1211508), (36, 1177855), (42, 1009590), (45, 942284), (60, 706713), (63, 673060), (70, 605754), (73, 580860), (84, 504795), (90, 471142), (105, 403836), (126, 336530), (140, 302877), (146, 290430), (180, 235571), (210, 201918), (219, 193620), (252, 168265), (292, 145215), (315, 134612), (365, 116172), (420, 100959), (438, 96810), (461, 91980), (511, 82980), (630, 67306), (657, 64540), (730, 58086), (876, 48405), (922, 45990), (1022, 41490), (1095, 38724), (1260, 33653), (1314, 32270), (1383, 30660), (1460, 29043), (1533, 27660), (1844, 22995), (2044, 20745), (2190, 19362), (2305, 18396), (2555, 16596), (2628, 16135), (2766, 15330), (3066, 13830), (3227, 13140), (3285, 12908), (4149, 10220), (4380, 9681), (4599, 9220), (4610, 9198), (5110, 8298), (5532, 7665), (6132, 6915), (6454, 6570)]