248466420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 829113600

約数和(自身を除く): 580647180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 61, 76, 90, 95, 108, 114, 122, 135, 171, 180, 183, 190, 228, 244, 270, 285, 305, 342, 366, 380, 397, 513, 540, 549, 570, 610, 684, 732, 794, 855, 915, 1026, 1098, 1140, 1159, 1191, 1220, 1588, 1647, 1710, 1830, 1985, 2052, 2196, 2318, 2382, 2565, 2745, 3294, 3420, 3477, 3573, 3660, 3970, 4636, 4764, 5130, 5490, 5795, 5955, 6588, 6954, 7146, 7543, 7940, 8235, 10260, 10431, 10719, 10980, 11590, 11910, 13908, 14292, 15086, 16470, 17385, 17865, 20862, 21438, 22629, 23180, 23820, 24217, 30172, 31293, 32940, 34770, 35730, 37715, 41724, 42876, 45258, 48434, 52155, 53595, 62586, 67887, 69540, 71460, 72651, 75430, 90516, 96868, 104310, 107190, 113145, 121085, 125172, 135774, 145302, 150860, 156465, 203661, 208620, 214380, 217953, 226290, 242170, 271548, 290604, 312930, 339435, 363255, 407322, 435906, 452580, 460123, 484340, 625860, 653859, 678870, 726510, 814644, 871812, 920246, 1018305, 1089765, 1307718, 1357740, 1380369, 1453020, 1840492, 2036610, 2179530, 2300615, 2615436, 2760738, 3269295, 4073220, 4141107, 4359060, 4601230, 5521476, 6538590, 6901845, 8282214, 9202460, 12423321, 13077180, 13803690, 16564428, 20705535, 24846642, 27607380, 41411070, 49693284, 62116605, 82822140, 124233210, 248466420]

約数ペア:

[(1, 248466420), (2, 124233210), (3, 82822140), (4, 62116605), (5, 49693284), (6, 41411070), (9, 27607380), (10, 24846642), (12, 20705535), (15, 16564428), (18, 13803690), (19, 13077180), (20, 12423321), (27, 9202460), (30, 8282214), (36, 6901845), (38, 6538590), (45, 5521476), (54, 4601230), (57, 4359060), (60, 4141107), (61, 4073220), (76, 3269295), (90, 2760738), (95, 2615436), (108, 2300615), (114, 2179530), (122, 2036610), (135, 1840492), (171, 1453020), (180, 1380369), (183, 1357740), (190, 1307718), (228, 1089765), (244, 1018305), (270, 920246), (285, 871812), (305, 814644), (342, 726510), (366, 678870), (380, 653859), (397, 625860), (513, 484340), (540, 460123), (549, 452580), (570, 435906), (610, 407322), (684, 363255), (732, 339435), (794, 312930), (855, 290604), (915, 271548), (1026, 242170), (1098, 226290), (1140, 217953), (1159, 214380), (1191, 208620), (1220, 203661), (1588, 156465), (1647, 150860), (1710, 145302), (1830, 135774), (1985, 125172), (2052, 121085), (2196, 113145), (2318, 107190), (2382, 104310), (2565, 96868), (2745, 90516), (3294, 75430), (3420, 72651), (3477, 71460), (3573, 69540), (3660, 67887), (3970, 62586), (4636, 53595), (4764, 52155), (5130, 48434), (5490, 45258), (5795, 42876), (5955, 41724), (6588, 37715), (6954, 35730), (7146, 34770), (7543, 32940), (7940, 31293), (8235, 30172), (10260, 24217), (10431, 23820), (10719, 23180), (10980, 22629), (11590, 21438), (11910, 20862), (13908, 17865), (14292, 17385), (15086, 16470)]