30993750

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 91400400

約数和(自身を除く): 60406650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 29, 30, 38, 45, 50, 57, 58, 75, 87, 90, 95, 114, 125, 145, 150, 171, 174, 190, 225, 250, 261, 285, 290, 342, 375, 435, 450, 475, 522, 551, 570, 625, 725, 750, 855, 870, 950, 1102, 1125, 1250, 1305, 1425, 1450, 1653, 1710, 1875, 2175, 2250, 2375, 2610, 2755, 2850, 3125, 3306, 3625, 3750, 4275, 4350, 4750, 4959, 5510, 5625, 6250, 6525, 7125, 7250, 8265, 8550, 9375, 9918, 10875, 11250, 11875, 13050, 13775, 14250, 16530, 18125, 18750, 21375, 21750, 23750, 24795, 27550, 28125, 32625, 35625, 36250, 41325, 42750, 49590, 54375, 56250, 59375, 65250, 68875, 71250, 82650, 90625, 106875, 108750, 118750, 123975, 137750, 163125, 178125, 181250, 206625, 213750, 247950, 271875, 326250, 344375, 356250, 413250, 534375, 543750, 619875, 688750, 815625, 1033125, 1068750, 1239750, 1631250, 1721875, 2066250, 3099375, 3443750, 5165625, 6198750, 10331250, 15496875, 30993750]

約数ペア:

[(1, 30993750), (2, 15496875), (3, 10331250), (5, 6198750), (6, 5165625), (9, 3443750), (10, 3099375), (15, 2066250), (18, 1721875), (19, 1631250), (25, 1239750), (29, 1068750), (30, 1033125), (38, 815625), (45, 688750), (50, 619875), (57, 543750), (58, 534375), (75, 413250), (87, 356250), (90, 344375), (95, 326250), (114, 271875), (125, 247950), (145, 213750), (150, 206625), (171, 181250), (174, 178125), (190, 163125), (225, 137750), (250, 123975), (261, 118750), (285, 108750), (290, 106875), (342, 90625), (375, 82650), (435, 71250), (450, 68875), (475, 65250), (522, 59375), (551, 56250), (570, 54375), (625, 49590), (725, 42750), (750, 41325), (855, 36250), (870, 35625), (950, 32625), (1102, 28125), (1125, 27550), (1250, 24795), (1305, 23750), (1425, 21750), (1450, 21375), (1653, 18750), (1710, 18125), (1875, 16530), (2175, 14250), (2250, 13775), (2375, 13050), (2610, 11875), (2755, 11250), (2850, 10875), (3125, 9918), (3306, 9375), (3625, 8550), (3750, 8265), (4275, 7250), (4350, 7125), (4750, 6525), (4959, 6250), (5510, 5625)]