74020380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1524

約数の個数: 144

約数和(自身を含む): 255449376

約数和(自身を除く): 181428996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1481, 1666, 1785, 2380, 2499, 2940, 2962, 3332, 3570, 4165, 4443, 4998, 5924, 7140, 7405, 8330, 8886, 9996, 10367, 12495, 14810, 16660, 17772, 20734, 22215, 24990, 25177, 29620, 31101, 41468, 44430, 49980, 50354, 51835, 62202, 72569, 75531, 88860, 100708, 103670, 124404, 125885, 145138, 151062, 155505, 176239, 207340, 217707, 251770, 290276, 302124, 311010, 352478, 362845, 377655, 435414, 503540, 528717, 622020, 704956, 725690, 755310, 870828, 881195, 1057434, 1088535, 1233673, 1451380, 1510620, 1762390, 2114868, 2177070, 2467346, 2643585, 3524780, 3701019, 4354140, 4934692, 5287170, 6168365, 7402038, 10574340, 12336730, 14804076, 18505095, 24673460, 37010190, 74020380]

約数ペア:

[(1, 74020380), (2, 37010190), (3, 24673460), (4, 18505095), (5, 14804076), (6, 12336730), (7, 10574340), (10, 7402038), (12, 6168365), (14, 5287170), (15, 4934692), (17, 4354140), (20, 3701019), (21, 3524780), (28, 2643585), (30, 2467346), (34, 2177070), (35, 2114868), (42, 1762390), (49, 1510620), (51, 1451380), (60, 1233673), (68, 1088535), (70, 1057434), (84, 881195), (85, 870828), (98, 755310), (102, 725690), (105, 704956), (119, 622020), (140, 528717), (147, 503540), (170, 435414), (196, 377655), (204, 362845), (210, 352478), (238, 311010), (245, 302124), (255, 290276), (294, 251770), (340, 217707), (357, 207340), (420, 176239), (476, 155505), (490, 151062), (510, 145138), (588, 125885), (595, 124404), (714, 103670), (735, 100708), (833, 88860), (980, 75531), (1020, 72569), (1190, 62202), (1428, 51835), (1470, 50354), (1481, 49980), (1666, 44430), (1785, 41468), (2380, 31101), (2499, 29620), (2940, 25177), (2962, 24990), (3332, 22215), (3570, 20734), (4165, 17772), (4443, 16660), (4998, 14810), (5924, 12495), (7140, 10367), (7405, 9996), (8330, 8886)]