128461860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41981}}^1$

素因数の和:42013

約数の個数: 72

約数和(自身を含む): 412599096

約数和(自身を除く): 284137236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 41981, 83962, 125943, 167924, 209905, 251886, 377829, 419810, 503772, 629715, 713677, 755658, 839620, 1259430, 1427354, 1511316, 1889145, 2141031, 2518860, 2854708, 3568385, 3778290, 4282062, 6423093, 7136770, 7556580, 8564124, 10705155, 12846186, 14273540, 21410310, 25692372, 32115465, 42820620, 64230930, 128461860]

約数ペア:

[(1, 128461860), (2, 64230930), (3, 42820620), (4, 32115465), (5, 25692372), (6, 21410310), (9, 14273540), (10, 12846186), (12, 10705155), (15, 8564124), (17, 7556580), (18, 7136770), (20, 6423093), (30, 4282062), (34, 3778290), (36, 3568385), (45, 2854708), (51, 2518860), (60, 2141031), (68, 1889145), (85, 1511316), (90, 1427354), (102, 1259430), (153, 839620), (170, 755658), (180, 713677), (204, 629715), (255, 503772), (306, 419810), (340, 377829), (510, 251886), (612, 209905), (765, 167924), (1020, 125943), (1530, 83962), (3060, 41981)]