19985621280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{153641}}^1$

素因数の和:153930

約数の個数: 96

約数和(自身を含む): 63187423488

約数和(自身を除く): 43201802208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 271, 480, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 4336, 5420, 6504, 8130, 8672, 10840, 13008, 16260, 21680, 26016, 32520, 43360, 65040, 130080, 153641, 307282, 460923, 614564, 768205, 921846, 1229128, 1536410, 1843692, 2304615, 2458256, 3072820, 3687384, 4609230, 4916512, 6145640, 7374768, 9218460, 12291280, 14749536, 18436920, 24582560, 36873840, 41636711, 73747680, 83273422, 124910133, 166546844, 208183555, 249820266, 333093688, 416367110, 499640532, 624550665, 666187376, 832734220, 999281064, 1249101330, 1332374752, 1665468440, 1998562128, 2498202660, 3330936880, 3997124256, 4996405320, 6661873760, 9992810640, 19985621280]

約数ペア:

[(1, 19985621280), (2, 9992810640), (3, 6661873760), (4, 4996405320), (5, 3997124256), (6, 3330936880), (8, 2498202660), (10, 1998562128), (12, 1665468440), (15, 1332374752), (16, 1249101330), (20, 999281064), (24, 832734220), (30, 666187376), (32, 624550665), (40, 499640532), (48, 416367110), (60, 333093688), (80, 249820266), (96, 208183555), (120, 166546844), (160, 124910133), (240, 83273422), (271, 73747680), (480, 41636711), (542, 36873840), (813, 24582560), (1084, 18436920), (1355, 14749536), (1626, 12291280), (2168, 9218460), (2710, 7374768), (3252, 6145640), (4065, 4916512), (4336, 4609230), (5420, 3687384), (6504, 3072820), (8130, 2458256), (8672, 2304615), (10840, 1843692), (13008, 1536410), (16260, 1229128), (21680, 921846), (26016, 768205), (32520, 614564), (43360, 460923), (65040, 307282), (130080, 153641)]