30728700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:641

約数の個数: 144

約数和(自身を含む): 104160000

約数和(自身を除く): 73431300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 380, 450, 475, 513, 540, 570, 599, 675, 684, 855, 900, 950, 1026, 1140, 1198, 1350, 1425, 1710, 1797, 1900, 2052, 2396, 2565, 2700, 2850, 2995, 3420, 3594, 4275, 5130, 5391, 5700, 5990, 7188, 8550, 8985, 10260, 10782, 11381, 11980, 12825, 14975, 16173, 17100, 17970, 21564, 22762, 25650, 26955, 29950, 32346, 34143, 35940, 44925, 45524, 51300, 53910, 56905, 59900, 64692, 68286, 80865, 89850, 102429, 107820, 113810, 134775, 136572, 161730, 170715, 179700, 204858, 227620, 269550, 284525, 307287, 323460, 341430, 404325, 409716, 512145, 539100, 569050, 614574, 682860, 808650, 853575, 1024290, 1138100, 1229148, 1536435, 1617300, 1707150, 2048580, 2560725, 3072870, 3414300, 5121450, 6145740, 7682175, 10242900, 15364350, 30728700]

約数ペア:

[(1, 30728700), (2, 15364350), (3, 10242900), (4, 7682175), (5, 6145740), (6, 5121450), (9, 3414300), (10, 3072870), (12, 2560725), (15, 2048580), (18, 1707150), (19, 1617300), (20, 1536435), (25, 1229148), (27, 1138100), (30, 1024290), (36, 853575), (38, 808650), (45, 682860), (50, 614574), (54, 569050), (57, 539100), (60, 512145), (75, 409716), (76, 404325), (90, 341430), (95, 323460), (100, 307287), (108, 284525), (114, 269550), (135, 227620), (150, 204858), (171, 179700), (180, 170715), (190, 161730), (225, 136572), (228, 134775), (270, 113810), (285, 107820), (300, 102429), (342, 89850), (380, 80865), (450, 68286), (475, 64692), (513, 59900), (540, 56905), (570, 53910), (599, 51300), (675, 45524), (684, 44925), (855, 35940), (900, 34143), (950, 32346), (1026, 29950), (1140, 26955), (1198, 25650), (1350, 22762), (1425, 21564), (1710, 17970), (1797, 17100), (1900, 16173), (2052, 14975), (2396, 12825), (2565, 11980), (2700, 11381), (2850, 10782), (2995, 10260), (3420, 8985), (3594, 8550), (4275, 7188), (5130, 5990), (5391, 5700)]