28120380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1499

約数の個数: 96

約数和(自身を含む): 87816960

約数和(自身を除く): 59696580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1451, 1615, 1938, 2902, 3230, 3876, 4353, 4845, 5804, 6460, 7255, 8706, 9690, 14510, 17412, 19380, 21765, 24667, 27569, 29020, 43530, 49334, 55138, 74001, 82707, 87060, 98668, 110276, 123335, 137845, 148002, 165414, 246670, 275690, 296004, 330828, 370005, 413535, 468673, 493340, 551380, 740010, 827070, 937346, 1406019, 1480020, 1654140, 1874692, 2343365, 2812038, 4686730, 5624076, 7030095, 9373460, 14060190, 28120380]

約数ペア:

[(1, 28120380), (2, 14060190), (3, 9373460), (4, 7030095), (5, 5624076), (6, 4686730), (10, 2812038), (12, 2343365), (15, 1874692), (17, 1654140), (19, 1480020), (20, 1406019), (30, 937346), (34, 827070), (38, 740010), (51, 551380), (57, 493340), (60, 468673), (68, 413535), (76, 370005), (85, 330828), (95, 296004), (102, 275690), (114, 246670), (170, 165414), (190, 148002), (204, 137845), (228, 123335), (255, 110276), (285, 98668), (323, 87060), (340, 82707), (380, 74001), (510, 55138), (570, 49334), (646, 43530), (969, 29020), (1020, 27569), (1140, 24667), (1292, 21765), (1451, 19380), (1615, 17412), (1938, 14510), (2902, 9690), (3230, 8706), (3876, 7255), (4353, 6460), (4845, 5804)]