25147980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 89709984

約数和(自身を除く): 64562004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 977, 990, 1170, 1287, 1430, 1716, 1954, 1980, 2145, 2340, 2574, 2860, 2931, 3908, 4290, 4885, 5148, 5862, 6435, 8580, 8793, 9770, 10747, 11724, 12701, 12870, 14655, 17586, 19540, 21494, 25402, 25740, 29310, 32241, 35172, 38103, 42988, 43965, 50804, 53735, 58620, 63505, 64482, 76206, 87930, 96723, 107470, 114309, 127010, 128964, 139711, 152412, 161205, 175860, 190515, 193446, 214940, 228618, 254020, 279422, 322410, 381030, 386892, 419133, 457236, 483615, 558844, 571545, 644820, 698555, 762060, 838266, 967230, 1143090, 1257399, 1397110, 1676532, 1934460, 2095665, 2286180, 2514798, 2794220, 4191330, 5029596, 6286995, 8382660, 12573990, 25147980]

約数ペア:

[(1, 25147980), (2, 12573990), (3, 8382660), (4, 6286995), (5, 5029596), (6, 4191330), (9, 2794220), (10, 2514798), (11, 2286180), (12, 2095665), (13, 1934460), (15, 1676532), (18, 1397110), (20, 1257399), (22, 1143090), (26, 967230), (30, 838266), (33, 762060), (36, 698555), (39, 644820), (44, 571545), (45, 558844), (52, 483615), (55, 457236), (60, 419133), (65, 386892), (66, 381030), (78, 322410), (90, 279422), (99, 254020), (110, 228618), (117, 214940), (130, 193446), (132, 190515), (143, 175860), (156, 161205), (165, 152412), (180, 139711), (195, 128964), (198, 127010), (220, 114309), (234, 107470), (260, 96723), (286, 87930), (330, 76206), (390, 64482), (396, 63505), (429, 58620), (468, 53735), (495, 50804), (572, 43965), (585, 42988), (660, 38103), (715, 35172), (780, 32241), (858, 29310), (977, 25740), (990, 25402), (1170, 21494), (1287, 19540), (1430, 17586), (1716, 14655), (1954, 12870), (1980, 12701), (2145, 11724), (2340, 10747), (2574, 9770), (2860, 8793), (2931, 8580), (3908, 6435), (4290, 5862), (4885, 5148)]