30228720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 102850560

約数和(自身を除く): 72621840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 239, 240, 248, 255, 272, 310, 340, 372, 408, 465, 478, 496, 510, 527, 620, 680, 717, 744, 816, 930, 956, 1020, 1054, 1195, 1240, 1360, 1434, 1488, 1581, 1860, 1912, 2040, 2108, 2390, 2480, 2635, 2868, 3162, 3585, 3720, 3824, 4063, 4080, 4216, 4780, 5270, 5736, 6324, 7170, 7409, 7440, 7905, 8126, 8432, 9560, 10540, 11472, 12189, 12648, 14340, 14818, 15810, 16252, 19120, 20315, 21080, 22227, 24378, 25296, 28680, 29636, 31620, 32504, 37045, 40630, 42160, 44454, 48756, 57360, 59272, 60945, 63240, 65008, 74090, 81260, 88908, 97512, 111135, 118544, 121890, 125953, 126480, 148180, 162520, 177816, 195024, 222270, 243780, 251906, 296360, 325040, 355632, 377859, 444540, 487560, 503812, 592720, 629765, 755718, 889080, 975120, 1007624, 1259530, 1511436, 1778160, 1889295, 2015248, 2519060, 3022872, 3778590, 5038120, 6045744, 7557180, 10076240, 15114360, 30228720]

約数ペア:

[(1, 30228720), (2, 15114360), (3, 10076240), (4, 7557180), (5, 6045744), (6, 5038120), (8, 3778590), (10, 3022872), (12, 2519060), (15, 2015248), (16, 1889295), (17, 1778160), (20, 1511436), (24, 1259530), (30, 1007624), (31, 975120), (34, 889080), (40, 755718), (48, 629765), (51, 592720), (60, 503812), (62, 487560), (68, 444540), (80, 377859), (85, 355632), (93, 325040), (102, 296360), (120, 251906), (124, 243780), (136, 222270), (155, 195024), (170, 177816), (186, 162520), (204, 148180), (239, 126480), (240, 125953), (248, 121890), (255, 118544), (272, 111135), (310, 97512), (340, 88908), (372, 81260), (408, 74090), (465, 65008), (478, 63240), (496, 60945), (510, 59272), (527, 57360), (620, 48756), (680, 44454), (717, 42160), (744, 40630), (816, 37045), (930, 32504), (956, 31620), (1020, 29636), (1054, 28680), (1195, 25296), (1240, 24378), (1360, 22227), (1434, 21080), (1488, 20315), (1581, 19120), (1860, 16252), (1912, 15810), (2040, 14818), (2108, 14340), (2390, 12648), (2480, 12189), (2635, 11472), (2868, 10540), (3162, 9560), (3585, 8432), (3720, 8126), (3824, 7905), (4063, 7440), (4080, 7409), (4216, 7170), (4780, 6324), (5270, 5736)]