30478980

素因数分解:

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

素因数の和:1514

約数の個数: 96

約数和(自身を含む): 99590400

約数和(自身を除く): 69111420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1481, 1715, 2058, 2940, 2962, 3430, 4116, 4443, 5145, 5924, 6860, 7405, 8886, 10290, 10367, 14810, 17772, 20580, 20734, 22215, 29620, 31101, 41468, 44430, 51835, 62202, 72569, 88860, 103670, 124404, 145138, 155505, 207340, 217707, 290276, 311010, 362845, 435414, 507983, 622020, 725690, 870828, 1015966, 1088535, 1451380, 1523949, 2031932, 2177070, 2539915, 3047898, 4354140, 5079830, 6095796, 7619745, 10159660, 15239490, 30478980]

約数ペア:

[(1, 30478980), (2, 15239490), (3, 10159660), (4, 7619745), (5, 6095796), (6, 5079830), (7, 4354140), (10, 3047898), (12, 2539915), (14, 2177070), (15, 2031932), (20, 1523949), (21, 1451380), (28, 1088535), (30, 1015966), (35, 870828), (42, 725690), (49, 622020), (60, 507983), (70, 435414), (84, 362845), (98, 311010), (105, 290276), (140, 217707), (147, 207340), (196, 155505), (210, 145138), (245, 124404), (294, 103670), (343, 88860), (420, 72569), (490, 62202), (588, 51835), (686, 44430), (735, 41468), (980, 31101), (1029, 29620), (1372, 22215), (1470, 20734), (1481, 20580), (1715, 17772), (2058, 14810), (2940, 10367), (2962, 10290), (3430, 8886), (4116, 7405), (4443, 6860), (5145, 5924)]